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Journal articles on the topic 'Biphasic tumor'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Sekaran, Anuradha, Purva Shinde, Veena Vanere, Mohan Ramchandani, and Duvvur N. Reddy. "Rare case of primary esophageal synovial sarcoma with (x;18) translocation presenting as dysphagia." International Journal of Research in Medical Sciences 9, no. 6 (2021): 1782. http://dx.doi.org/10.18203/2320-6012.ijrms20212253.

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Synovial sarcoma (SS) in young adult mainly involves periarticular region of the extremities. Synovial sarcomas are exceedingly rare neoplasms of the digestive tract. In this report, we describe a very rare occurrence of primary SS of the esophagus in a 30-year-old female. Patient presented with dysphagia. Endoscopy showed submucosal esophageal polyp. Piecemeal polypectomy was done. Histologically, the tumor demonstrated biphasic morphology with epithelial and mesnchymal component. Tumor cells expressed pancytokeratin, bcl-2 and CD99 antigens. Differential diagnosis of synovial sarcoma and epi

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Agrawal, Amit, Vissa Shanthi, Baddukonda Appala Ramakrishna, and Kuppili Venkata Murali Mohan. "Temporal gliosarcoma: case report and review of literature." Romanian Neurosurgery 22, no. 1 (2015): 112–16. http://dx.doi.org/10.1515/romneu-2015-0014.

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Abstract First characterized by Stroebe, the gliosarcomas are highly malignant and rare primary tumor of the brain composed of neoplastic glial cells in association with spindle cell sarcomatous elements (biphasic tissue patterns). In spite of being recognized as two different pathologies studies have not shown any significant differences between gliosarcoma and glioblastoma with regard to age, sex, size, clinical presentation, and median survival. In summary, gliosarcoma is an aggressive tumor with a propensity to recur and re-grow with poor outcome. Future studies are needed to understand th

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3

Lobo, João, Riuko Ohashi, Birgit M. Helmchen, Niels J. Rupp, Jan H. Rüschoff, and Holger Moch. "The Morphological Spectrum of Papillary Renal Cell Carcinoma and Prevalence of Provisional/Emerging Renal Tumor Entities with Papillary Growth." Biomedicines 9, no. 10 (2021): 1418. http://dx.doi.org/10.3390/biomedicines9101418.

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Renal cell carcinoma (RCC) represents a heterogeneous disease, encompassing an increasing number of tumor subtypes. Post-2016, the World Health Organization (WHO) classification recognized that the spectrum of papillary renal cell carcinoma is evolving and has long surpassed the dichotomic simplistic “type 1 versus type 2” classification. The differential diagnosis of pRCC includes several new provisional/emerging entities with papillary growth. Type 2 tumors have been cleared out of several confounding entities, now regarded as independent tumors with specific clinical and molecular backgroun

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Lois, J. F., H. J. Fischer, J. M. Mirra, and A. S. Gomes. "Angiography of Histopathologic Variants of Synovial Sarcoma." Acta Radiologica. Diagnosis 27, no. 4 (1986): 449–54. http://dx.doi.org/10.1177/028418518602700416.

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Synovial sarcomas are rare soft tissue tumors which histopathologically can be divided into monophasic, biphasic and mixed variants. As part of a protocol for intra-arterial chemotherapy 12 patients with biopsy proven synovial sarcoma underwent angiography. The angiograms on these patients were reviewed to determine whether synovial sarcomas and their variants demonstrated a characteristic angiographic appearance. Synovial sarcomas appeared angiographically as soft tissue masses which showed a fine network of tumor vessels with an inhomogeneous capillary blush. Their degree of vascularity vari

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5

Severson, David T., Samuel Freyaldenhoven, Benjamin Wadowski, et al. "Abstract 95: Uncommitted cells and phenotypic plasticity elucidate the complexity of the epithelial-mesenchymal molecular gradient of pleural mesothelioma." Cancer Research 83, no. 7_Supplement (2023): 95. http://dx.doi.org/10.1158/1538-7445.am2023-95.

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Abstract Pleural mesothelioma (PM) comprises three major histologic types: epithelioid, sarcomatoid, and a mixture of the two types termed biphasic. We and others have investigated whole transcriptome profiles of bulk PM samples, identifying a molecular gradient with features of epithelial-mesenchymal transition, which is related to, but not redundant with, histology. To date bulk studies of heterogeneity across PM tumors have not explained how biphasic tumors contain sarcomatoid (mesenchymal) and epithelioid (epithelial) components. We hypothesized that sarcomatoid and epithelioid components

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6

Moritz, Milene N. O., Alyssa R. Merkel, Ean G. Feldman, Heloisa S. Selistre-de-Araujo та Julie A. Rhoades (Sterling). "Biphasic α2β1 Integrin Expression in Breast Cancer Metastasis to Bone". International Journal of Molecular Sciences 22, № 13 (2021): 6906. http://dx.doi.org/10.3390/ijms22136906.

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Integrins participate in the pathogenesis and progression of tumors at many stages during the metastatic cascade. However, current evidence for the role of integrins in breast cancer progression is contradictory and seems to be dependent on tumor stage, differentiation status, and microenvironmental influences. While some studies suggest that loss of α2β1 enhances cancer metastasis, other studies suggest that this integrin is pro-tumorigenic. However, few studies have looked at α2β1 in the context of bone metastasis. In this study, we aimed to understand the role of α2β1 integrin in breast can

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7

Altınay, Serdar, Salih Aydın, and Ümit Taşkın. "Biphasic Malignant Tumor of Hypopharynx: Synovial Sarcoma?" Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology 119, no. 3 (2015): e189. http://dx.doi.org/10.1016/j.oooo.2014.07.382.

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8

López, José I. "Case Report: Multifocal biphasic squamoid alveolar renal cell carcinoma." F1000Research 5 (April 8, 2016): 607. http://dx.doi.org/10.12688/f1000research.8451.1.

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A multifocal biphasic squamoid alveolar renal cell carcinoma in a 68-year-old man is reported. Four different peripheral tumor nodules were identified on gross examination. A fifth central tumor corresponded to a conventional clear cell renal cell carcinoma. Biphasic squamoid alveolar renal cell carcinoma is a rare tumor that has been very recently characterized as a distinct histotype within the spectrum of papillary renal cell carcinoma. Immunostaining with cyclin D1 seems to be specific of this tumor subtype. This is the first reported case with multifocal presentation.

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López, José I. "Case Report: Multifocal biphasic squamoid alveolar renal cell carcinoma." F1000Research 5 (May 24, 2016): 607. http://dx.doi.org/10.12688/f1000research.8451.2.

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A multifocal biphasic squamoid alveolar renal cell carcinoma in a 68-year-old man is reported. Four different peripheral tumor nodules were identified on gross examination. A fifth central tumor corresponded to a conventional clear cell renal cell carcinoma. Biphasic squamoid alveolar renal cell carcinoma is a rare tumor that has been very recently characterized as a distinct histotype within the spectrum of papillary renal cell carcinoma. Immunostaining with cyclin D1 seems to be specific of this tumor subtype. This is the first reported case with multifocal presentation.

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10

See, Sharlene C., Nitin R. Wadhwani, Kai Lee Yap, and Nicoleta C. Arva. "Primary Biphasic Hepatic Sarcoma in DICER1 Syndrome." Pediatric and Developmental Pathology 24, no. 5 (2021): 484–88. http://dx.doi.org/10.1177/10935266211008443.

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DICER1 tumor predisposition syndrome is a rare genetic disorder that predisposes individuals to multiple benign and malignant neoplasms. The phenotype is vast and includes pleuropulmonary blastoma (PPB), thyroid nodules, cystic nephroma, Wilms tumor, ovarian Sertoli–Leydig cell tumor, and medulloepithelioma, among others. Herein, we describe a patient with a DICER1 germline pathogenic variant presenting with two neoplasms that are not commonly encountered in the context of DICER1 syndrome. The first tumor is a multiloculated cystic hepatic lesion with a biphasic pattern, composed of cysts line

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11

Hackman, Sarah, Richard D. Hammer, and Lester Layfield. "A Biphasic Pleural Tumor with Features of an Epithelioid and Small Cell Mesothelioma: Morphologic and Molecular Findings." Case Reports in Pathology 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/1532424.

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Malignant mesotheliomas are generally classified into epithelioid, sarcomatoid, desmoplastic, and biphasic types with rare reports of a small cell form. These small cell variants display some morphologic overlap with desmoplastic small round cell tumors (DSRCTs) which generally occur within the abdominal cavity of young males and are defined by a characteristic t(11;22)(p13;q12) translocation. However, there are rare reports of DSRCTs lacking this translocation. We present a 78-year-old man with a pleura-based biphasic neoplasm with features of both epithelioid mesothelioma and a small cell bl

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Chiu, R., T. Tran, M. Miranda-Taylor, et al. "Biphasic Sarcomatoid Sweat Gland Carcinoma With Ductal Epithelial And Spindled Myoepithelial Cell Components (Malignant Mixed Tumor Of Skin)." American Journal of Clinical Pathology 156, Supplement_1 (2021): S46. http://dx.doi.org/10.1093/ajcp/aqab191.093.

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Abstract Introduction/Objective Sweat gland carcinomas are a group of malignant skin adnexal tumors that are difficult to diagnose due to their rarity, wide morphologic variation, and limited literature on diagnosis and classification. These tumors may appear bland and morphologically resemble benign skin adnexal tumors, or may appear poorly differentiated and mimic metastatic carcinoma especially from a breast primary. Biphasic sweat gland carcinomas are an even rarer entity, with only few cases reported in literature, and have been described to consist of a well- differentiated ductal epithe

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13

Marzullo, Andrea, Gabriella Serio, Federica Pezzuto, et al. "A Single Liver Metastasis from Pleural Biphasic Mesothelioma." Diagnostics 10, no. 8 (2020): 555. http://dx.doi.org/10.3390/diagnostics10080555.

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Virtually any malignancy can metastasize to the liver. Large solitary metastases are rare and can be difficult to distinguish from primary tumors. Malignant mesothelioma is often considered as a locally invasive cancer but tumor dissemination to extra-thoracic sites is possible, and the liver can be involved. Herein, we present a rare case of pleural mesothelioma with a solitary large liver metastasis diagnosed postmortem in a ninety-two-year-old man with 35 years of exposure to asbestos. Results of immunohistochemical staining of the pleural and liver tumor were similar, both positive for low

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14

Niu, C., and Q. Ma. "Primary Malignant Peripheral Nerve Sheath Tumor in the Liver with Glandular Differentiation." American Journal of Clinical Pathology 162, Supplement_1 (2024): S108—S109. http://dx.doi.org/10.1093/ajcp/aqae129.241.

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Abstract Introduction/Objective Malignant peripheral nerve sheath tumors (MPNST) most commonly affect the proximal extremities and paraspinal region. Primary hepatic MPNST is extremely rare. Here we report a primary hepatic MPNST with heterologous glandular differentiation in a patient with Neurofibromatosis type 1 (NF1). Methods/Case Report Review of the clinical features and histopathological findings of the resected specimen. A review of all the published cases of primary liver MPNST. Results (if a Case Study enter NA) A 69-year-old male patient with a history of NF1, Gastrointestinal Strom

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Dr., Hafsa Ashraf Dr. Aroosa Shahbaz Dr. Zainab Sardar. "FOOT SYNOVIAL SARCOMA AS A SOFT TISSUE MALIGNANCY WITH A LARGER PERSPECTIVE OF TUMOUR: A CASE-CONTROL RESEARCH." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 06, no. 01 (2019): 135–39. https://doi.org/10.5281/zenodo.2529764.

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<em>The tumour in somatic cells is term as synovial sarcoma (Synovial Sarcoma). Synovial sarcoma is a malignancy in soft tissue with large perspective of tumour. Synovial sarcoma has different kinds. Monophasic biphasic and poorly differentiated are its different kinds. Monophasic biphasic and poorly differentiated are its different types. It is commonly observed with its vehemence state. It is quality of (synovial sarcoma) that it can alternate. Over 90% of (synovial sarcoma) possess this feature i-e (X: 18) (P11:2; Q11.2) (synovial sarcoma). Include chromosomal estimation, histology, immunoc

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16

Vogel, Hannes, Robert Dauser, and Suzanne Powell. "BIPHASIC PILOCYTIC GANGLION CELL TUMOR OF THE CEREBELLUM." Journal of Neuropathology and Experimental Neurology 58, no. 5 (1999): 539. http://dx.doi.org/10.1097/00005072-199905000-00132.

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17

Gulbahce, H. Evin, Arthur T. Lindeland, William Engel, and Tamera J. Lillemoe. "Metastatic Leydig Cell Tumor With Sarcomatoid Differentiation." Archives of Pathology & Laboratory Medicine 123, no. 11 (1999): 1104–7. http://dx.doi.org/10.5858/1999-123-1104-mlctws.

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Abstract Leydig cell tumors of the testis are uncommon. Only about 10% of cases have a malignant course. It has been stated that the only definite criterion for malignancy is presence of metastasis. We present a 47-year-old patient with metastatic Leydig cell tumor 17 years after initial diagnosis, to our knowledge the longest reported interval between diagnosis and the development of metastasis. The primary tumor did not exhibit convincing features of malignancy. The initial metastasis in the right perirenal fat tissue showed a biphasic tumor with sarcomatoid differentiation not described pre

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Picken, Maria M., Davide Bova, Michael R. Pins, and Marcus L. Quek. "Mixed Epithelial and Stromal Tumor of the Kidney with Extension into Inferior Vena Cava: Case Report and Discussion of Adult Biphasic Cystic Renal Lesions and the Significance of Vascular Involvement." Case Reports in Pathology 2018 (October 1, 2018): 1–6. http://dx.doi.org/10.1155/2018/8234295.

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Mixed epithelial and stromal tumor (MEST) is a biphasic adult renal lesion composed of solid and cystic areas containing spindle cell stroma and epithelium that lines the tubules and cystic spaces. While most MEST lesions are benign, rare cases with malignant morphology and biology have been reported. We present a case of mixed epithelial and stromal tumor of the kidney (MEST) with extension into the inferior vena cava in a young adult male. We discuss the differential diagnosis of MEST in the context of other biphasic cystic renal lesions and the significance of vascular involvement in the se

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Almahariq, Fadi, Marina Raguz, Dominik Romic, et al. "A biphasic tumor in posterior cranial fossa and the pineal region in young adult." Surgical Neurology International 11 (April 11, 2020): 64. http://dx.doi.org/10.25259/sni_288_2019.

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Background: Biphasic tumors of the central nervous system are rarely described and mainly consisted out of the glial and mesenchymal component. The tumor originated out of both astrocytes and pinealocytes, best to our knowledge, has not been described. We present a case of a brain tumor consisted out of pilocytic astrocytoma (PA) and pineocytoma as components situated in the pineal region and posterior cranial fossa in young adult. Case Description: We present a 21-year-old patient with a history of intermittent headache, followed by nausea and vomiting, double vision, and dextropulsion. Magne

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International, Journal of Medical Science and Innovative Research (IJMSIR). "Epithelial Myoepithelial Carcinoma of Parotid Gland: A Rare Entity." International Journal of Medical Science and Innovative Research (IJMSIR) 9, no. 4 (2024): 04–07. https://doi.org/10.5281/zenodo.15424137.

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<strong>Abstract</strong> <strong>Background: </strong>Epithelial myoepithelial carcinoma is a rare tumor that can often be misdiagnosed as benign tumors due to its deceptive nature on radiology. Therefore, histopathological examination is gold standard for diagnosis. <strong>Introduction:</strong><strong> </strong>Epithelial-myoepithelial carcinoma is a rare tumor of the salivary glands that was described by Donath et al in 1972.[1] It has a slight female predilection (M:F – 1:1.6) and a wide age range from the 6<sup>th</sup> to 7<sup>th</sup> decade [2] (Mean age 64 years) The most com

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G.C, Manasa, Shilpa Singh, and Vardendra Kulkarni. "Giant phyllodes tumor of breast with diffuse myxoid changes mimicking low- grade fibromyxoid sarcoma (LGFMS) - A case report." IP Archives of Cytology and Histopathology Research 7, no. 3 (2022): 192–94. http://dx.doi.org/10.18231/j.achr.2022.042.

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Phyllodes tumors are biphasic tumors consisting of epithelial and stromal components that account for less than 1% of all breast tumors. Phyllodes tumors are rare that behave in an unpredictable manner and can rarely have diffuse myxoid changes without an exaggerated intracanalicular pattern with leaf like fronds and stromal hypercellularity. 50-year old lady with left breast lump, morphologically mimicking low grade fibromyxoid sarcoma was finally diagnosed as recurrent phyllodes tumor (intermediate grade) with extensive myxoid change, based on the previous microscopic finding of phyllodes tu

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Gleason, James Benjamin, Basheer Tashtoush, and Maria Julia Diacovo. "Biphasic Malignant Pleural Mesothelioma Masquerading as a Primary Skeletal Tumor." Case Reports in Pulmonology 2016 (2016): 1–5. http://dx.doi.org/10.1155/2016/7560929.

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Biphasic malignant pleural mesothelioma is a rare malignant tumor, usually presenting as a pleural-based mass in a patient with history of chronic asbestos exposure. We herein report a case of a 41-year-old man who presented with chest pain and had a chest computed tomography (CT) scan suggestive of a primary skeletal tumor originating from the ribs (chondrosarcoma or osteosarcoma), with no history of asbestos exposure. CT-guided core needle biopsies were diagnosed as malignant sarcomatoid mesothelioma. Surgical resection and chest wall reconstruction were performed, confirming the diagnosis a

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Pinheiro, Tiago Novaes, Milena Gomes Melo Leite, Fábio Arruda Bindá, et al. "Metastatic Biphasic Primitive Tumor in the Mandible of a Child." European Journal of Dentistry 14, no. 03 (2020): 502–10. http://dx.doi.org/10.1055/s-0040-1713306.

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AbstractPediatric mandibular tumors present an aggressive biological behavior and difficult diagnosis. A wide range of odontogenic and nonodontogenic tumors comprise the spectrum of these lesions. We report a case of a 1-year-old male child patient showing facial asymmetry symptomatic of an expansive lesion extending throughout the body and ramus of the left hemimandible with a diameter of 8 cm. The histopathological report suggested a high-grade mucoepidermoid carcinoma (MEC), recommending further immunohistochemical investigation of the ectomesenchymal or neuroectodermal origin of the tumor

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Pokharel, A., C. Thorburn, J. Fullmer, J. K. Macknis, and P. L. Zhang. "Unusual Presentation: Nephroblastoma/Wilms tumor in an Adult – A Case Report." American Journal of Clinical Pathology 162, Supplement_1 (2024): S58—S59. http://dx.doi.org/10.1093/ajcp/aqae129.129.

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Abstract Introduction/Objective Nephroblastoma/Wilms tumor is a common renal tumor primarily observed in children, and its occurrence in adults is exceedingly rare. This rarity contributes to the diagnostic challenges encountered in adults. Here, we present a case of a 32-year-old male diagnosed with biphasic nephroblastoma/Wilms tumor in the kidney, with liver and lung metastases. Methods/Case Report A 32-year-old male, without significant past medical history, presented with the chief complaint of abdominal pain for 2-3 weeks. Imaging studies revealed a substantial 17.5 cm kidney lesion acco

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Warraich, Irfan, Dale M. Dunn, and Jeffrey W. Oliver. "Solitary Fibrous Tumor of the Orbit With Epithelioid Features." Archives of Pathology & Laboratory Medicine 130, no. 7 (2006): 1039–41. http://dx.doi.org/10.5858/2006-130-1039-sftoto.

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Abstract Extrapleural solitary fibrous tumors have often been confused with other mesenchymal tumors, such as hemangiopericytoma, fibrous histiocytoma, fibrous meningioma, and leiomyoma, because of morphologic similarity and underrecognition, especially if some unusual features are present. Recently, epithelioid solitary fibrous tumor has been reported in the mediastinum. We report a case of solitary fibrous tumor of the orbit with biphasic architecture, including spindle cell and epithelioid components. Both components demonstrated immunohistochemical features of a solitary fibrous tumor. A b

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Davidson, Ben, Lilach Kleinberg, Ida Marie Børresen, et al. "Primary uterine ectomesenchymoma harboring a DICER1 mutation: case report with molecular analysis." Virchows Archiv 479, no. 2 (2021): 419–24. http://dx.doi.org/10.1007/s00428-021-03057-x.

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AbstractEctomesenchymoma is an exceedingly rare biphasic malignant tumor characterized by the presence of mesenchymal and neuroectodermal elements. The majority of patients are infants or children. We describe the first case of this entity diagnosed as a primary uterine tumor. A 72-year-old female presented with post-menopausal bleeding. Dilatation and curettage showed irregular mesenchymal proliferation of uncertain nature. In the hysterectomy specimen, a myxoid spindle cell tumor with areas of skeletal muscle and neural differentiation was found in the uterus, with direct invasion of the sma

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Zaitsu, Masayoshi, Mariko Yamanoi, Koji Mikami, Akiko Tonooka, Toshimasa Uekusa, and Takumi Takeuchi. "A Case of Giant Bladder Carcinosarcoma without Submucosal Invasion." Case Reports in Medicine 2011 (2011): 1–3. http://dx.doi.org/10.1155/2011/349518.

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Carcinosarcoma is a rare biphasic neoplasia containing both malignant mesenchymal and epithelial elements. Bladder carcinosarcoma commonly presented as high-grade, advanced stage, and aggressive behavior with a poor prognosis. An 83-year-old male presented with painless gross hematuria to our hospital. Cystoscopy revealed massive nonpapillary bladder tumor on the right wall. The 91 g tumor could be completely removed with transurethral resection. Histology of the tumor was diagnosed as carcinosarcoma with no submucosal invasion composed of biphasic malignant epithelial and mesenchymal cells. E

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Sakata, Shinya, Sho Saeki, Sayuri Hirooka, Susumu Hirosako, Hidenori Ichiyasu, and Hirotsugu Kohrogi. "A Case of Biphasic Pulmonary Blastoma Treated with Carboplatin and Paclitaxel plus Bevacizumab." Case Reports in Oncological Medicine 2015 (2015): 1–4. http://dx.doi.org/10.1155/2015/842621.

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Background. Pulmonary blastoma is a rare lung tumor similar to fetal lung tissues. Surgical resection at early stage is more curative than other treatments, but there is no standard treatment in unresectable cases. We show a case treated with carboplatin and paclitaxel plus bevacizumab.Case. A 68-year-old man received surgical resection and was diagnosed with biphasic pulmonary blastoma (pT3N0M0 stage IIB). Metastasis to the spleen was detected six weeks after the surgery. Carboplatin, paclitaxel, and bevacizumab were administered and showed an effect on the metastasis. Four courses of the che

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Butool, Syeda Asiya, Ankit Natani, Betina Chandolia, and Manas Bajpai. "Oral Spindle Cell Carcinoma –Diagnosis Based on Immunohistochemical Interpretation." National Journal of Health Sciences 5, no. 3 (2021): 133–35. http://dx.doi.org/10.21089/njhs.53.0133.

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Abstract Spindle Cell Carcinoma (SpCC) is a biphasic tumor. They are proven to be monoclonal dedifferentiated forms of conventional squamous carcinomas. It is a rare tumor which is infrequently observed in head, neck and in the aerodigestive tract. The tumor is aggressive and shows high frequency of recurrence and metastasis. It is an aggressive variant of squamous cell carcinoma which resembles a true sarcoma. It is a proliferation of spindle cells and squamous cells. For confirmation of diagnosis, immunohistochemistry is used. A Rare case of spindle cell squamous cell carcinoma in a 61 years

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Raj, Prince, Ashwini Khanolkar, and Yogesh Kumar Sarin. "Metanephric Adenofibroma Masquerading as Wilms’ Tumor." APSP Journal of Case Reports 7, no. 5 (2016): 37. http://dx.doi.org/10.21699/ajcr.v7i5.463.

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Metanephric adenofibroma is a rare, biphasic, benign tumor containing both stromal and epithelial components and could be potentially mistaken as Wilms tumor(WT). We present a 5-year-old girl with suspicion of metastatic Wilms’ tumor on radiological investigations/tru-cut biopsy and received neoadjuvant chemotherapy. Post excision final histopathology revealed it as metanephric adenofibroma. No postoperative chemotherapy was given.

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Mirza, Rusella, Nestor Dela Cruz, and Guillermo A. Herrera. "Thyroid-Like Low-Grade Nasopharyngeal Papillary Adenocarcinoma with Biphasic Histology." Case Reports in Pathology 2020 (January 17, 2020): 1–3. http://dx.doi.org/10.1155/2020/3275916.

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Thyroid-like low-grade nasopharyngeal papillary adenocarcinoma (TL-LGNPPA) is a rare primary adenocarcinoma of nasopharynx. The immunohistochemical pattern of this tumor is similar to that of papillary thyroid carcinoma making this neoplasm a challenging diagnosis. A case of TL-LGNPPA with biphasic morphology is presented. The removed tumor from the nasopharynx exhibited a polypoid appearance. Microscopically, it was composed of papillary structures admixed with a few solid areas of spindle cells. The papillae were lined by columnar epithelium. Both the epithelium and the spindle cells were st

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Bruno, Rossella, Anello Marcello Poma, Greta Alì, et al. "Gene Expression Analysis of Biphasic Pleural Mesothelioma: New Potential Diagnostic and Prognostic Markers." Diagnostics 12, no. 3 (2022): 674. http://dx.doi.org/10.3390/diagnostics12030674.

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Biphasic is the second most common histotype of pleural mesothelioma (PM). It shares epithelioid and sarcomatoid features and is challenging to diagnose. The aim of this study was to identify biphasic PM markers to improve subtyping and prognosis definition. The expression levels of 117 cancer genes, evaluated using the nanoString system, were compared between the three major histotypes (epithelioid, sarcomatoid, and biphasic), and expression differences within biphasic PM were evaluated in relation to the percentage of epithelioid components. Biphasic PM overexpressed CTNNA1 and TIMP3 in comp

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Verma, Shipra, Bhupesh Guleria, Vrushali Raut, S. Anand, Prerna Guleria, and M. S. Tevatia. "A Rare Case of Epithelial-Myoepithelial Carcinoma Breast in A Young Female with HER2neu Positivity." Annals of Pathology and Laboratory Medicine 10, no. 7 (2023): C72–77. http://dx.doi.org/10.21276/apalm.3248.

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Epithelial-myoepithelial tumors of breast are biphasic neoplasms, with dual participation of epithelial and myoepithelial components. It is a very rare tumor, common in elderly females. EMC breast resembles its salivary gland counterpart, which itself forms less than 1% of all salivary gland tumors. Herein, we report one such rare case of EMC breast in a young female with aberrant HER2 positivity, a feature not yet reported in literature.

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Ceccamea, Alberto, Carlo Dominici, Anna Clerico, Enzo Ferrante, Piero Vignetti, and Manuel A. Castello. "Bilateral Rhabdomyomatous Tumor Relapsed as Typical Triphasic Wilms’ Tumor." Tumori Journal 73, no. 1 (1987): 85–89. http://dx.doi.org/10.1177/030089168707300117.

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The authors report on a child affected with bilateral renal tumor, which was treated with cancer chemotherapy before and after surgery. Twenty-eight months after the discontinuance of therapy, a neoplasm was disclosed in the left kidney and then removed. Histologically, the bilateral tumor excised by the first surgery could be classified as biphasic Wilms’ tumor, rhabdomyomatous variant, whereas the neoplasm removed by the second surgery was the typical triphasic Wilms’ tumor. The authors suggest that preoperative chemotherapy might have played a role in the histologic changes of the initial t

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Biron, Verónica A., M. Mercedes Iglesias, María F. Troncoso, et al. "Galectin-1: biphasic growth regulation of Leydig tumor cells." Glycobiology 16, no. 9 (2006): 810–21. http://dx.doi.org/10.1093/glycob/cwl013.

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Bruzzo, Juan, Paula Chiarella, Roberto P. Meiss, and Raúl A. Ruggiero. "Biphasic effect of a primary tumor on the growth of secondary tumor implants." Journal of Cancer Research and Clinical Oncology 136, no. 10 (2010): 1605–15. http://dx.doi.org/10.1007/s00432-010-0818-7.

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Ailawadhi, Pankaj, M. C. Sharma, A. K. Mahapatra, and P. Sarat Chandra. "Central liponeurocytoma: Case report and review of literature." Indian Journal of Neurosurgery 01, no. 01 (2012): 083–85. http://dx.doi.org/10.4103/2277-9167.94379.

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Abstract Cerebellar liponeurocytoma consists of well-differentiated neurons with the cytology of neurocytes in addition to a population of lipidized cells. Hence it is biphasic in appearance and has been included in the category of glioneuronal tumors of the central nervous system by the WHO working group on the Classification of Tumors of the Nervous System. However, liponeurocytoma is not exclusive to the cerebellar or fourth ventricular location. Since its inclusion in the central nervous system tumor classification, nine cases with similar histological and immunohistochemical features have

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Pradhan, Manish Kumar, Sumanlata Sahu, Kanchan Maurya, Marisha, and Vikash Kailashiya. "Malignant phylloides with heterologous elements: A case report." IP Journal of Diagnostic Pathology and Oncology 8, no. 3 (2023): 157–60. http://dx.doi.org/10.18231/j.jdpo.2023.036.

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Phyllodes tumor of the breast is an uncommon biphasic tumor, occurring mainly in females belonging to the age group of 42 to 45 years. Malignant phyllodes tumor is a rare neoplasm that accounts for 10 to 20% of total phyllodes tumors. Histologically, phyllodes tumors are featured by leaf like projections of hypercellular stroma into the cystic or cleft-like spaces being lined by epithelium. Presence of stromal elements like fibrosarcomatous and heterologous sarcomatous characters are associated with an increased risk of malignant change. Here, we report a rare case of a 50yrs old female patien

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Johal, P., and C. Sebastiano. "Malignant Phyllodes Tumor with Lipomatous Differentiation: A Unique Presentation." American Journal of Clinical Pathology 154, Supplement_1 (2020): S36. http://dx.doi.org/10.1093/ajcp/aqaa161.074.

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Abstract Casestudy Phyllodes tumors (PT) are uncommon biphasic fibroepithelial neoplasms that account for &lt;1% of all breast tumors. The distinction between benign and malignant PTs is made based on a number of histologic characteristics, including an infiltrative margin, stromal overgrowth, mitotic count, hypercellularity and atypia. 30% of cases show heterologous differentiation, which mostly occurs in stromal elements. This can result in a wide range of tumor histopathology including lipomatous areas. Results We present the case of a 46-year-old female with a 3.1 cm left breast palpat

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Rosado-Galindo, Heizel M., Miosotis Acevedo-Esquillin, Wandaliz Torres-García, et al. "Abstract 275: Deciphering biphasic responses to Sonic Hedgehog pathway inhibition in breast cancer: Insights from a tumor-fibroblast spheroid model and PDXs." Cancer Research 84, no. 6_Supplement (2024): 275. http://dx.doi.org/10.1158/1538-7445.am2024-275.

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Abstract A significant subset (30-40%) of triple-negative breast cancer (TNBC) cases exhibit hyperactivation of the sonic hedgehog (SHH) pathway, correlating with poor clinical outcomes. However, the therapeutic efficacy of SHH inhibitors in TNBC has yielded inconsistent results, showcasing biphasic tumor responses going from complete remission in some patients to faster disease progression in others. Such tumor response discrepancies underscore the need for more relevant culture models to elucidate how stromal cells respond to SHH signals and impact tumor cell reprogramming.We have developed

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Nael, A., P. Siaghani, W. W. Wu, K. Nael, Lisa Shane, and S. G. Romansky. "Metastatic Malignant Ectomesenchymoma Initially Presenting as a Pelvic Mass: Report of a Case and Review of Literature." Case Reports in Pediatrics 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/792925.

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Pediatric soft tissue sarcomas account for approximately 10% of all pediatric malignancies. Malignant ectomesenchymoma is rare biphasic sarcomas consisting of both mesenchymal and neuroectodermal elements. Approximately 64 cases have been reported in the literature and are believed to arise from pluripotent embryologic migratory neural crest cells. We report a 4-year-old boy who initially presented with a pelvic mass and inguinal lymphadenopathy at 6 months of age. Inguinal lymph node biopsy revealed a distinct biphasic tumor with microscopic and immunophenotypic characteristics diagnostic for

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Hussein, Mahmoud R., Saad Rezk Abudlwahed Hussein, and Ahmad Rezk Abd-Elwahed. "Primary Peritoneal Malignant Mixed Mesodermal (Müllerian) Tumor." Tumori Journal 95, no. 4 (2009): 525–31. http://dx.doi.org/10.1177/030089160909500421.

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Aims and background Malignant mixed mesodermal tumor (MMMT) is a biphasic neoplasm (carcinosarcoma) composed of both epithelial and mesenchymal elements. Extragenital MMMT, including primary peritoneal MMMT, is an extremely rare tumor with features consistent with its origin from the secondary Müllerian system. The neoplastic elements of extragenital MMMT presumably arise directly from the mesothelium or submesothelial stroma and hence parallel the biphasic pattern of the genital (uterine or ovarian) counterpart. Methods and study design Here we report on the clinical, pathological, and immuno

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Huang, Chun-Hao, Lung-Chi Lee, Hong-Wei Gao, Yi-Hao Chen, and Ke-Hung Chien. "Successful Resection of Retrobulbar Carcinosarcoma without Recurrence: A Case Report." Medicina 58, no. 2 (2022): 317. http://dx.doi.org/10.3390/medicina58020317.

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Carcinosarcomas are biphasic tumors comprising carcinoma and sarcoma components that occur in many tissues but are rarely found in the orbit. A 70-year-old male presented to the ophthalmic clinic with progressive proptosis, having decreased vision in the left eye for 8 months. On examination, severe exophthalmos and lagophthalmos with limited extraocular movement were noted. Orbital computed tomography scans revealed a large, well-defined, heterogeneously enhanced mass in the left retrobulbar orbital cavity. The tumor was completely resected, and the pathological examination revealed a carcino

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Mohanty, Sambit K., and Anil V. Parwani. "Mixed Epithelial and Stromal Tumors of the Kidney: An Overview." Archives of Pathology & Laboratory Medicine 133, no. 9 (2009): 1483–86. http://dx.doi.org/10.5858/133.9.1483.

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Abstract Mixed epithelial and stromal tumor of the kidney is a recently recognized distinct neoplasm that should be distinguished from other renal neoplasms. These tumors are relatively rare with a female preponderance. Imaging studies are not diagnostic but reveal a solid or solid and cystic mass in most cases. Histopathologically, these tumors reveal biphasic growth pattern comprising mesenchymal and epithelial elements with characteristic estrogen and progesterone receptor immunoreactive mesenchyme reminiscent of ovarian stroma. Malignant transformation, recurrence, and metastasis are rare;

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Ichikawa, Tomoaki, Mark S. Peterson, Michael P. Federle, et al. "Islet Cell Tumor of the Pancreas: Biphasic CT versus MR Imaging in Tumor Detection." Radiology 216, no. 1 (2000): 163–71. http://dx.doi.org/10.1148/radiology.216.1.r00jl26163.

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Luo, Zhuanbo, Chao Cao, Ning Xu, and Kejing Ying. "Classic biphasic pulmonary blastoma: a case report and review of the literature." Journal of International Medical Research 48, no. 10 (2020): 030006052096239. http://dx.doi.org/10.1177/0300060520962394.

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Pulmonary blastoma (PB) is a very rare malignant lung tumor consisting of classic biphasic PB, well-differentiated fetal adenocarcinoma, and pleuropulmonary blastoma. We herein present an unusual case involving a patient with classic biphasic PB who underwent right upper lobe resection and subsequent treatment. No standard treatment guidelines are available for PB because of its rarity. Our patient received nedaplatin plus paclitaxel as adjuvant chemotherapy. After disease recurrence, the patient received two cycles of etoposide-cisplatin and six cycles of pemetrexed, bevacizumab, and carbopla

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Tanase, Ionut, Mihaela Neagu, and George Dascalescu. "Primary soft palate biphasic synovial sarcoma - case report and literature review." Romanian Journal of Rhinology 11, no. 44 (2021): 174–80. http://dx.doi.org/10.2478/rjr-2021-0029.

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Abstract BACKGROUND. Synovial sarcomas of the soft tissue are a particular type of sarcomas that rarely appear in the head and neck region. CASE REPORT AND COMMENTS. We present the case of a 27-year-old patient diagnosed in 2017 with soft palate biphasic synovial sarcoma who presented with recurrent microepistaxis, nasal obstruction, left cephalalgia and aural fullness in the left ear. The clinical examination showed a tumor with approximately 4/6 cm in diameter, covered with sero-sanguinolent secretions, pulsating in nature, completely obstructing the left choana. The surgical treatment consi

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Linos, Konstantinos, Lauren Stuart, Victor Goncharuk, and Mark Edgar. "Benign Cutaneous Biphasic Hybrid Tumor of Perineurioma and Cellular Neurothekeoma." American Journal of Dermatopathology 37, no. 4 (2015): 319–22. http://dx.doi.org/10.1097/dad.0000000000000105.

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Ridnour, Lisa A., Douglas D. Thomas, Sonia Donzelli, et al. "The Biphasic Nature of Nitric Oxide Responses in Tumor Biology." Antioxidants & Redox Signaling 8, no. 7-8 (2006): 1329–37. http://dx.doi.org/10.1089/ars.2006.8.1329.

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Saisho, Kohei, Shozo Fujiwara, Katsuhiro Anami, et al. "Localized biphasic malignant peritoneal mesothelioma presenting as a rectal tumor." Clinical Journal of Gastroenterology 13, no. 3 (2019): 308–15. http://dx.doi.org/10.1007/s12328-019-01051-0.

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