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Artykuły w czasopismach na temat „Malignant mass”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Evman, Serdar, Korkut Bostanci, and Mustafa Yuksel. "Infection or Malignancy? Malignant Pulmonary Mass Mimicking Pneumonia." Surgery Journal 02, no. 01 (2016): e11-e13. http://dx.doi.org/10.1055/s-0036-1572359.

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A 36-year-old woman, unresponsive to pneumonia antibiotherapy followed by antituberculosis treatment, was referred to our clinic. Thorax computed tomography (CT) and positron emission tomography CT showed cystic mass and mediastinal lymph node with suspicion of malignancy. Fine needle aspiration biopsy and mediastinoscopy showed no malignancy, so the patient underwent an exploratory thoracotomy. A frozen section of wedge-resected mass was reported as adenocarcinoma, leading to right lower lobectomy with mediastinal lymph node dissection. Besides cutting-edge diagnostic techniques, exploratory

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Grazzini, Giulia, Silvia Pradella, Federica De Litteris, et al. "Adrenal Mass Evaluation: Suspicious Radiological Signs of Malignancy." Cancers 17, no. 5 (2025): 849. https://doi.org/10.3390/cancers17050849.

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An adrenal mass discovered incidentally during imaging for unrelated clinical reasons is termed an “adrenal incidentaloma” (AI). AIs can be categorized as primary or metastatic, functioning or non-functioning, and benign or malignant. The primary goal of radiological evaluation is to exclude malignancy by differentiating between benign and malignant lesions. Most AIs are benign, with adenomas and macronodular bilateral adrenal hyperplasia being the most common types. Less common benign lesions include myelolipomas, pheochromocytomas, cysts, and hematomas. Malignant adrenal masses account for l

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Preeti, Pushpam, Paul Vidya, and Seema. "Assessment of Risk of Malignancy Index Scoring and Histopathological Correlation in the Diagnosis and Management of Adnexal Mass." International Journal of Pharmaceutical and Clinical Research 16, no. 8 (2024): 1523–27. https://doi.org/10.5281/zenodo.13732624.

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<strong>Background:</strong> Adnexal mass pathologies are mostly benign. Given the extremely low five-year survival rate of adnexal malignant tumors, early detection is imperative. There isn’t a single, gold-standard investigation that can be used to diagnose adnexal cancer. The menopausal status (M), ultrasound scores (U), and serum CA 125 (U/ML) is combined to create the Risk of Malignancy Index (RMI) scoring system. The purpose of this research is to evaluate how well the Risk of Malignancy Index-3 (RMI-3) scoring system distinguishes between benign and malignant adnexal masses i

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Barman, Geetanjali, Kabita Bujarbaruah, Binoy Kumar Choudhury, and Amal Chandra Kataki. "Ultrasound evaluation of biopsy proven malignant breast mass." International Journal of Research in Medical Sciences 8, no. 2 (2020): 706. http://dx.doi.org/10.18203/2320-6012.ijrms20200261.

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Background: Breast cancer is the most common malignancy in female worldwide. Ultrasound (US) is a safe and easily available modality for evaluation of breasts in females of all age groups. It can detect characteristic features of breast malignancy with high degree of accuracy. This study was undertaken with the aims to evaluate the ultrasonographic features of malignant breast mass, to identify the most commonly encountered gray scale ultrasound findings and to study the role of Doppler ultrasound in those cases.Methods: The study was conducted in Dr B. Borooah Cancer Institute, Guwahati from

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Zuopeng, Ding, Liu Weiyong, Hu Chunmei, Wang Tao, and Wang Mingming. "Qualitative Diagnosis of Solid Breast Mass by Blood Flow in Solid Breast Mass Based on Color Doppler Ultrasound." Journal of Medical Imaging and Health Informatics 11, no. 6 (2021): 1608–15. http://dx.doi.org/10.1166/jmihi.2021.3682.

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The incidence of breast cancer ranks first among female malignant tumor. With the increase of the sensitivity of color Doppler ultrasound blood flow, the blood flow distribution in and around the tumor can be clearly displayed, and the analysis of hemodynamic parameters is provided, which provides convenience for the study of tumor blood flow characteristics. Studies have shown that tumor cells can secrete a substance called angiogenesis factor, which makes the tumor site form a rich vascular network to promote tumor growth and metastasis. The tumor has many new blood vessels, abnormal structu

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6

Lin, Mingnan, and Size Wu. "Ultrasound classification of non-mass breast lesions following BI-RADS presents high positive predictive value." PLOS ONE 17, no. 11 (2022): e0278299. http://dx.doi.org/10.1371/journal.pone.0278299.

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Purpose To investigate the positive predictive value of ultrasound classification of non-mass breast lesions (NMLs) following breast imaging reporting and data system (BI-RADS), and enhance understanding of NMLs. Materials and methods Fifty-nine women with 59 ultrasound-detected breast NMLs were finally enrolled. The ultrasound (US) features of breast NMLs were analyzed; the incidence of malignant NMLs was calculated; the malignancy risk stratification of US for breast NMLs was established using BI-RADS. Results The incidence of malignant NMLs was 4.59% of all breast carcinoma. Non-ductal hypo

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Priya F., Margaret Harriet, Vanusha, and N. Hephzibah Kirubamani. "Clinical correlation of ovarian mass with ultrasound findings and histopathology report." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, no. 12 (2017): 5230. http://dx.doi.org/10.18203/2320-1770.ijrcog20175058.

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Background: As the ovarian malignancy is most common among genital malignancy, the diagnosis of malignant ovarian tumour helps us to plan the treatment modality like neoadjuvant chemotherapy, chemoradiation, radiotherapy, surgery and fertility sparing surgery depending upon stage of the disease and age of the patient. This study correlates between the clinical and ultrasound findings of ovarian tumours to diagnose the nature of the tumour whether benign or malignant and offer appropriate treatment and finally correlated with histopathology report. The aim of this study was to correlate clinica

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Uvajanani S S, Maharajan S, and T. V. Indirani. "Assessment of risk of malignancy index scoring and histopathological correlation in the diagnosis and management of adnexal mass." Indian Journal of Obstetrics and Gynecology Research 10, no. 2 (2023): 119–25. http://dx.doi.org/10.18231/j.ijogr.2023.028.

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: Pathologies of adnexal masses are commonly benign. The malignant lesions of adnexa carries a very low five-year survival rate, and hence the early recognition need to be done. There is no single gold standard investigation for the diagnosis of the malignancy of the adnexa. Risk of Malignancy Index (RMI) scoring system, combines the Serum CA 125(U/ML), Ultrasound score (U) and the menopausal status(M).: To assess the efficiency of Risk of Malignancy Index-3 (RMI-3) scoring system in discriminating benign and malignant adnexal mass, for early detection and management of malignant ovarian mass.

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9

Lee, Se Jin, Hye Rim Oh, Sunghun Na, Han Sung Hwang, and Seung Mi Lee. "Ultrasonographic ovarian mass scoring system for predicting malignancy in pregnant women with ovarian mass." Obstetrics & Gynecology Science 65, no. 1 (2022): 1–13. http://dx.doi.org/10.5468/ogs.21212.

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During routine antenatal ultrasound examinations, an ovarian mass can be found incidentally. In clinical practice, the differential diagnosis between benign and malignant ovarian masses is essential for planning further management. Ultrasound imaging has become the most popular diagnostic tool during pregnancy, with the recent development of ultrasonography. In non-pregnant women, several methods have been used to predict malignant ovarian masses before surgery. The International Ovarian Tumor Analysis (IOTA) group reported several scoring systems, such as the IOTA simple rules, IOTA logistic

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10

Nina, Mishra, and Kumar Behera Susanta. "IOTA Simple Ultrasound Rules for Triage of Adnexal Mass." International Journal of Pharmaceutical and Clinical Research 14, no. 7 (2022): 790–98. https://doi.org/10.5281/zenodo.13376212.

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<strong>Introduction:</strong> Adnexal mass affects younger population more often, the prevalence of these masses in the range of 0.17%–5.9% in asymptomatic women and 7.1%– 12% in symptomatic women. As these masses presents with very non-specific symptoms the differential diagnosis can include a long list of diseases ranging from benign conditions all the way to malignancies. The IOTA group also developed ‘<em>Simple Rules’</em> that may be applied to a mass based on the presence or absence of five benign and five malignant ultrasound features. So, this study

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11

Zahir, Neelum, Saima Ali, and Rukhsana . "Diagnostic Accuracy of Risk of Malignancy Index RMI in Patients with Adnexal Mass." Pakistan Journal of Medical and Health Sciences 17, no. 1 (2023): 666–68. http://dx.doi.org/10.53350/pjmhs2023171666.

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Background: Gynecological cancers often begin in the ovaries. Malignant pelvic masses may often be predicted using the Risk of Malignancy Index (RMI). Objective: To evaluate the RMI for its ability to differentiate between benign and malignant adnexal masses. Methods: A cross-sectional study in a gynecology and obstetrics OPD of Saidu Group Of teaching hospital,swat was carried out. 55 women who were hypothesized to have adnexal masses were included after informed consent. Each patient menopausal status, ultrasonography (USG) score and blood CA-125 level was measured. For every participant, th

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Hallgrimsson, P., R. Kåresen, K. Årtun, and A. Skjennald. "Non-Palpable Breast Lesions." Acta Radiologica 29, no. 3 (1988): 285–88. http://dx.doi.org/10.1177/028418518802900305.

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Marking of non-palpable breast lesions for biopsy has become a routine procedure in patients in whom mammography has suggested malignancy. Between October 1981 and December 1985 a localization method was used in 123 patients. In 35 per cent of the biopsies a malignant lesion was disclosed. In patients with a mass only, malignancy was found in 37 per cent of the biopsies. If microcalcifications alone were the main reason for the biopsy, malignancy was disclosed in 25 per cent. If both a mass and microcalcifications were present, 52 per cent of the biopsies disclosed a malignant lesion.

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13

Lee, Kang Dae, and Joo Yeon Kim. "Malignant Mass of the Neck." Journal of Clinical Otolaryngology Head and Neck Surgery 17, no. 1 (2006): 37–48. http://dx.doi.org/10.35420/jcohns.2006.17.1.37.

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SATCHITHANANDA, K., and V. STEWART. "Imaging of the malignant mass." Imaging 22, no. 1 (2013): 20100012. http://dx.doi.org/10.1259/imaging.20100012.

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Schrecengost, Ann. "Ovarian Mass-Benign or Malignant?" AORN Journal 76, no. 5 (2002): 789–806. http://dx.doi.org/10.1016/s0001-2092(06)61032-6.

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Sidaway, Peter. "Mass spectrometry indicates malignant potential." Nature Reviews Clinical Oncology 15, no. 2 (2017): 67. http://dx.doi.org/10.1038/nrclinonc.2017.199.

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Zeeshan, Dr Muhammad, Professor Dr Shajee Ahmed Siddiqui, Dr Muhammad Azhar Jamil, Dr Ghazal Iftikhar, and Dr Adil Farooq. "Primary Diffuse Large B Cell Lymphoma Presenting as Chest Wall Mass: A Case Report." Journal of Islamabad Medical & Dental College 11, no. 4 (2023): 259–62. http://dx.doi.org/10.35787/jimdc.v11i4.903.

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Primary chest wall masses or tumors can be of two types, either benign or malignant. Diffuse large B cell lymphoma (DLBCL) is an aggressive type of non-Hodgkin lymphoma (NHL). Though an aggressive malignancy, with timely and appropriate treatment, approximately two-third of all patients can be cured. We present a rare case of DLBCL presenting as chest wall mass. This case suggests the possibility of the presence of primary malignant B cell lymphoma, with the presentation as a chest wall lesion. Keywords: Chest mass, Diffuse large B cell lymphoma, Mass, Non- Hodgkin’s lymphoma.

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Singh, Brijesh Kumar, Sudipta Saha, Shilpi Agarwal, and Yashwant Singh Rathore. "Malignant Brenner tumour of the ovary manifesting as distal intestinal obstruction and perforation." BMJ Case Reports 13, no. 6 (2020): e235394. http://dx.doi.org/10.1136/bcr-2020-235394.

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A rare case of malignant Brenner tumour of ovary manifesting with intestinal perforation due to colonic infiltration is elaborated in the present report. Brenner’s tumour accounts for 1%–2% of all ovarian neoplasms and malignant Brenner tumour is even rarer and only about 5% of Brenner tumours are malignant. A 62-year-old woman came to surgical emergency with 1-month history of abdominal pain, vomiting and constipation with a palpable mass in right iliac fossa. Abdominal radiograph was suggestive of colonic obstruction. Contrast-enhanced CT of the abdomen revealed cystic right ovarian mass of

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Eviana Norahmawati, Amelinda Natania Nurasih, Satria Pandu Persada Isma, Istan Irmansyah Irsan, and Irma Darinafitri. "A rare case malignant granular cell tumor of the thigh with radiological imaging likely rhabdomyosarcoma: A case report." GSC Biological and Pharmaceutical Sciences 27, no. 1 (2024): 247–52. http://dx.doi.org/10.30574/gscbps.2024.27.1.0139.

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Granular cell tumors (GCTs) are uncommon soft tissue tumors characterized by the cytoplasmic granular appearance of the neoplastic cells. Malignant GCTs are rare neural tumors, intensely aggressive. Both the rare occurrence of malignant GCTs and its similarities in features with their benign lesions make the diagnosis of this malignancy difficult. Malignant GCTs comprise less than 2% of GCTs and are mostly found in the subcutaneous soft tissues of the lower extremities, especially the thighs. This article presents a case of a large malignant GCTs in the left thigh of a 46-year-old woman. Plain

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Eviana, Norahmawati, Natania Nurasih Amelinda, Pandu Persada Isma Satria, Irmansyah Irsan Istan, and Darinafitri Irma. "A rare case malignant granular cell tumor of the thigh with radiological imaging likely rhabdomyosarcoma: A case report." GSC Biological and Pharmaceutical Sciences 27, no. 1 (2024): 247–52. https://doi.org/10.5281/zenodo.11977549.

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Granular cell tumors (GCTs) are uncommon soft tissue tumors characterized by the cytoplasmic granular appearance of the neoplastic cells. Malignant GCTs are rare neural tumors, intensely aggressive. Both the rare occurrence of malignant GCTs and its similarities in features with their benign lesions make the diagnosis of this malignancy difficult. Malignant GCTs comprise less than 2% of GCTs and are mostly found in the subcutaneous soft tissues of the lower extremities, especially the thighs. This article presents a case of a large malignant GCTs in the left thigh of a 46-year-old woman. Plain

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Vilendečić, Zoran, and Aleksandar Stefanović. "The role of prediction models in the classification of adnexal mass." Medicinski podmladak 75, no. 1 (2024): 41–47. http://dx.doi.org/10.5937/mp75-43210.

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Prediction models play an important role in adnexal mass assessment since they allow clinicians to reliably differentiate adnexal mass as malignant or benign. The models use clinical and ultrasound features to generate a numerical score or probability of malignancy. The use of prediction models in adnexal mass assessment can have several benefits. For example, they can help clinicians identify patients at higher risk for malignancy and thus candidates for surgical treatment. They can also help to guide decision-making regarding the need for additional imaging and the extent of surgical procedu

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Bakayoko, N., E. Martin, J. Sanders, M. Zygmont, J. Hamilton, and R. Peterson. "Unique Presentation of Rare Cervical Sympathetic Chain Schwannoma." Neurographics 14, no. 2 (2024): 127–31. http://dx.doi.org/10.3174/ng.2300028.

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We describe a unique case of a cervical sympathetic chain schwannoma that presented as an ambiguous oropharyngeal mass with a differential of a benign or malignant salivary gland tumor or neurogenic tumor. Consideration of a malignant salivary gland mass led us to modify our diagnostic approach so as not to risk seeding a potential malignancy and harming the patient. This article also highlights the distinct imaging findings of neurogenic tumors of the neck that are helpful in appropriately diagnosing these tumors.

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Britton, C. A. "Subpectoral mass mimicking a malignant breast mass on mammography." American Journal of Roentgenology 159, no. 1 (1992): 221. http://dx.doi.org/10.2214/ajr.159.1.1609707.

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Chua, Katherine Jane C., Ricky D. Patel, Radhika Trivedi, et al. "Accuracy in Referrals to Gynecologic Oncologists Based on Clinical Presentation for Ovarian Mass." Diagnostics 10, no. 2 (2020): 106. http://dx.doi.org/10.3390/diagnostics10020106.

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Ovarian cancer is one of the most lethal gynecological cancers in women due to late diagnosis. Despite technological advancements, experienced physicians have high sensitivities and specificities in subjective assessments when combining ultrasound findings and clinical history in analyzing adnexal masses. This study aims to demonstrate general obstetricians and gynecologists’ (OB/GYN) appropriateness in gynecologic oncologist referrals for malignant ovarian masses based on history and physical (H&P), imaging, and available tumor markers. Three board certified OB/GYNs were given 148 cases a

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Mandal, Apurba, Shibram Chattopadhyay, Sushanta Mondal, and Arunava Biswas. "A prospective observational study on the effectiveness of risk of malignancy index score (RMI 3) in a tertiary care centre in Eastern India." Asian Journal of Medical Sciences 11, no. 5 (2020): 54–60. http://dx.doi.org/10.3126/ajms.v11i5.29548.

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Background: Adnexal mass is a common presentation in today’s gynecological practice. The incidence of ovarian cancer is increasing day by day and diagnosis is often difficult to be made pre operatively with inadequate surgical exploration is a regular occurrence. Aims and Objectives: To assess and validate the importance of RMI-3 score as pre-operative diagnostic tool of differentiating benign from malignant adnexal mass for starting first line therapy of ovarian cancer and to find out the incidences of ovarian malignancy among study population. Material and Methods: The study was

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Devlin, Kelly, Amber Payton, Jessica Rubino, and Robert Shapiro. "A Rare Case of Benign Luteomas of Pregnancy Masquerading as Malignancy." Journal of Diagnostic Medical Sonography 36, no. 3 (2020): 260–65. http://dx.doi.org/10.1177/8756479320905864.

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A luteoma is a benign ovarian mass that can have malignant characteristics on sonography. Pelvic sonography is used to help distinguish benign from malignant masses. The workup of adnexal masses during pregnancy may involve the use of both transabdominal and transvaginal sonography as well as Doppler imaging, magnetic resonance imaging, and serum tumor markers to identify the risk of malignancy. This study presents a case of a benign ovarian luteoma of pregnancy detected during sonography. The mass was removed during the first trimester due to malignant sonographic features. Counseling and tre

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Swati, Sinha, and Narayan Prasad Hit. "Comparative Assessment of the Diagnostic Efficacy of Malignancy in Adnexal Masses by International Ovarian Tumor Analysis (Simple Rules) Versus Risk of Malignancy Index." International Journal of Pharmaceutical and Clinical Research 15, no. 2 (2023): 680–88. https://doi.org/10.5281/zenodo.12818804.

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<strong>Aim:</strong> The objective of this study was to compare international ovarian tumor analysis (Simple rules) versus risk of malignancy index for the pre-operative diagnosis of malignancy in adnexal masses. <strong>Methodology: </strong>The study was carried out using data prospectively collected from consecutive patients. It evaluated the diagnostic performances of the SRs models and variants of the RMI (I–III) within a population of women who underwent surgery to remove adnexal masses at the Department of Obstetrics and Gynaecology, IGIMS, Patna, Bihar for one yea

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Uhlenhopp, Dustin J., Ann Saliares, Vinaya Gaduputi, and Tagore Sunkara. "An Unpleasant Surprise: Abdominal Presentation of Malignant Mesothelioma." Journal of Investigative Medicine High Impact Case Reports 8 (January 2020): 232470962095012. http://dx.doi.org/10.1177/2324709620950121.

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Malignant mesothelioma is an aggressive cancer associated with asbestos exposure with median survival time of 8 to 14 months following diagnosis. Given that mesothelial cells also line the peritoneum and pericardium, malignant mesothelioma can present in unusual sites and in patients with nonrespiratory complaints. A 73-year-old male presented to the emergency department for worsening intermittent diffuse abdominal pain for the past 3 months with associated unintentional 40-pound weight loss, early satiety, and diarrhea. He denied exposure to asbestos. Computed tomography imaging revealed mult

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Park, Jong Won, Kyung Hee Ko, Eun-Kyung Kim, Cherie M. Kuzmiak, and Hae Kyoung Jung. "Non-mass breast lesions on ultrasound: final outcomes and predictors of malignancy." Acta Radiologica 58, no. 9 (2017): 1054–60. http://dx.doi.org/10.1177/0284185116683574.

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Background Breast cancer can present as non-mass lesions (NMLs) on ultrasound. However, knowledge of and understanding about NMLs are scarce. Purpose To retrospectively investigate the final outcomes of sonographic breast NMLs and determine the clinical and radiologic variables associated with malignancy Material and Methods In our radiologic database of breast ultrasound examinations between 2011 and 2014, we found 119 women with 121 NMLs with available histopathologic or sonographic follow-up (over 2 years) data. We collected the clinical variables (patient’s age, symptoms, and mammographic

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Law, Timothy, Sonia Veran-Taguibao, Ifegwu Ibe, and Wamda Goreal. "Malignant Biphasic Adenomyoepithelioma: A Rare Entity." American Journal of Clinical Pathology 152, Supplement_1 (2019): S44. http://dx.doi.org/10.1093/ajcp/aqz113.018.

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Abstract Objectives Adenomyoepithelioma of the breast is an uncommon biphasic breast lesion characterized by a cytologically bland epithelial and myoepithelial proliferation. It is often considered benign and thought to represent a variant of intraductal papilloma. However, rare cases of adenomyoepitheliomas have been reported to show malignant transformation. Features that favor malignancy include increased mitoses, necrosis, atypia, cellular pleomorphism, and infiltrative borders. Most reported cases of malignant adenomyoepithelioma demonstrate carcinomas arising in a benign adenomyoepitheli

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Sigvaldason, Heather, Sheena Graham, Raena Buksak, and K. Alok Pathak. "A Malignant Cystic Midline Neck Mass." OTO Open 3, no. 2 (2019): 2473974X1984904. http://dx.doi.org/10.1177/2473974x19849046.

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Bancos, Irina, and Wiebke Arlt. "Diagnosis of a malignant adrenal mass." Current Opinion in Endocrinology & Diabetes and Obesity 24, no. 3 (2017): 200–207. http://dx.doi.org/10.1097/med.0000000000000333.

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Harji, D. P., G. Langman, D. M. Bowley, and C. Hendrickse. "A malignant mass with benign pathology." Colorectal Disease 13, no. 6 (2011): e162-e162. http://dx.doi.org/10.1111/j.1463-1318.2010.02398.x.

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KIM, H. "Rectal endometriosis mimicking malignant rectal mass." American Journal of Gastroenterology 98, no. 9 (2003): S135. http://dx.doi.org/10.1016/s0002-9270(03)01166-3.

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Kim, Jae H., and Michael Camilleri. "RECTAL ENDOMETRIOSIS MIMICKING MALIGNANT RECTAL MASS." American Journal of Gastroenterology 98 (September 2003): S135. http://dx.doi.org/10.1111/j.1572-0241.2003.08133.x.

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Wong, Lufee, Vola Botolahy, Thibault Carteret, Marion Marty, and Jean-Luc Brun. "Decidualized Ovarian Mass Mimicking Malignancy." Case Reports in Obstetrics and Gynecology 2015 (2015): 1–4. http://dx.doi.org/10.1155/2015/217367.

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Deciduosis classically occurs in the context of known endometriosis in the pelvis, most commonly in the ovaries, but also in the peritoneum. However, ovarian deciduosis outside the context of endometriosis is rare and makes diagnosis difficult, especially as the sonographic appearance suggests a malignant process. We report a case of decidualized ovarian mass in a patient without prior history of endometriosis that mimicked an ovarian malignancy. MRI may be a useful imaging modality to monitor these lesions and guide management. Consultation with a multidisciplinary team accustomed to such con

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Stefanik, Elżbieta, Kamil Górski, Bernard Turek, Olga Drewnowska-Szczepakowska, Katarzyna Kliczkowska-Klarowicz, and Aleksandra Stefanik. "From Keratoma to Anaplastic Malignant Melanoma in a Horse’s Hoof." Animals 12, no. 22 (2022): 3090. http://dx.doi.org/10.3390/ani12223090.

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Melanomas in horses are most often associated with gray, older horses with an average age of over 16 years. Anaplastic malignant melanoma, however, can very rarely affect non-gray horses. Herein, we report a case of a 16-year-old Wielkopolski gelding with a chronic lameness caused by a mass in the hoof. The first resection of the lesion and histopathological examination confirmed the presence of a keratoma. The regrown mass and persistent lameness resulted in another mass resection. The second histopathological examination result suggested a neoplastic growth of melanocytic origin with a low h

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Suh, Byoung Jo. "A Case of Malignant Gastrointestinal Stromal Tumor Initially Misdiagnosed as Malignant B-Cell Lymphoma." Case Reports in Oncology 9, no. 2 (2016): 344–50. http://dx.doi.org/10.1159/000447352.

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Errors that occur in anatomic pathology influence the treatment strategy of patients with malignancy. There are four general types of error with three subtypes in the category of defective interpretation. The first subtype is a false-negative diagnosis or undercall of the extent or severity of the lesion, the second is a false-positive diagnosis, and the third is misclassification. We herein report a 65-year-old female patient with malignant gastrointestinal stromal tumor that was diagnosed after reevaluation of the lesion at our hospital – and treated with proximal gastrectomy – after initial

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Hussain, Muhammad. "Ensemble Classifier for Benign-Malignant Mass Classification." International Journal of Computer Vision and Image Processing 3, no. 1 (2013): 66–77. http://dx.doi.org/10.4018/ijcvip.2013010106.

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Mammography is currently the most effective imaging modality for early detection of breast cancer. In a CAD system for masses based on mammography, a mammogram is segmented to detect the masses. The segmentation gives rise to mass regions of interested (ROIs), which are either benign or malignant. There is a need to classify the extracted mass ROIs into benign and malignant masses; it is a hard problem because the texture micro-structures of benign and malignant masses have close resemblance. In this paper, a method for classifying mass ROIs into benign and malignant masses is presented. The k

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Kaur, Amarjeet, Sujata Sharma, and Sohan Singh. "Role of risk of malignancy index 4 in evaluation of adnexal masses." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, no. 9 (2020): 3818. http://dx.doi.org/10.18203/2320-1770.ijrcog20203863.

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Background: The discrimination between benign and malignant adnexal masses is important for clinical management and surgical planning in such patients. Various combined methods of evaluation adnexal mass have also been proposed. Risk of malignancy index (RMI) is a combined parameter which is simple, preclinical and highly sensitive, and more specific. Risk of malignancy index 4 (RMI 4) is calculated as a product of ultrasound score (U)×menopausal score (M)×CA 125×tumor size. Objective of this study was to determine if the RMI (RMI 4) can distinguish between benign and malignant adnexal masses.

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Okamoto, Kentaro, Yukiko Tani, Takeshi Yamaguchi, et al. "Asymptomatic Mesenchymal Hamartoma of the Chest Wall in Child With Fluorodeoxyglucose Uptake on PET/CT—Report of a Case." International Surgery 100, no. 5 (2015): 915–19. http://dx.doi.org/10.9738/intsurg-d-14-00083.1.

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We had experience with a case of mesenchymal hamartoma of the chest wall (MHCW) with fluorodeoxyglucose (FDG) uptake on positron emission tomography/computed tomography (PET/CT). We reported the first case of asymptomatic MHCW in a child with preoperative PET/CT. Mesenchymal hamartoma of the chest wall is a rare benign tumor that usually presents as a visible chest wall mass or respiratory problems secondary to compression of the lung in early infancy. It is often reported that malignant transformation is extraordinarily rare. Positron emission tomography/CT is useful for diagnosis of malignan

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Garg, Saumil, and Sonam Sharma. "Metastatic malignant melanoma from an unknown primary presenting as an axillary mass." Asian Pacific Journal of Health Sciences 5, no. 1 (2018): 25–27. http://dx.doi.org/10.21276/apjhs.2018.5.1.5.

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Maurya, Nitesh R., and Urvi C. Bhavsar. "A rare case of urothelial carcinoma arising in mature cystic teratoma." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 7 (2018): 2959. http://dx.doi.org/10.18203/2320-1770.ijrcog20182916.

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Mature cystic teratoma is a common benign adnexal tumour in females. It is composed of all the three germ layers (mesoderm, endoderm and ectoderm). Malignant transformation in a mature cystic teratoma of the ovary is rare, occurring in only 1-2% of cases. The most common malignancy is squamous cell carcinoma, which consists of about 80% of malignant transformations. Here we report malignant transformation of MCT in a 74year old post-menopausal female. Grossly the ovary was large cystic occupying the entire abdomen. Trial dissection was done and only 50% of the mass could be dissected due to gr

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Singh, Vartika, Teerthanath Srinivas, Shubha Bhat, and Shreya Goel. "Massive lateral neck mass: aberrant ectopic thyroid malignancy." BMJ Case Reports 14, no. 5 (2021): e241451. http://dx.doi.org/10.1136/bcr-2020-241451.

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Lateral aberrant ectopic thyroid is very rare, comprising only 1%–3% of all the ectopic thyroid tissue. Clinically, these lesions are mistaken for lymph node swelling or metastatic tumour. Primary carcinoma in lateral aberrant ectopic thyroid with normal active native thyroid is very uncommon. We report a case of papillary carcinoma in lateral aberrant ectopic thyroid tissue, with a completely normal native thyroid gland in a 53-year-old man, who presented with a massive swelling in the lateral aspect of the neck clinically and radiologically diagnosed as a malignant soft tissue tumour with di

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Hegaab, Hassan Mansour, Hossam El Sokkary, Reham Abo Elwafa, and Eman Salem Elzeity. "Comparison of risk of malignancy indices in the preoperative evaluation of adnexal masses." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 11, no. 5 (2022): 1357. http://dx.doi.org/10.18203/2320-1770.ijrcog20221262.

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Background: An adnexal mass patient is a common cause of hospital admission. The differentiation between malignant and benign cases is an important step in the management of such patients. The risk of malignancy index (RMI) is a simple scoring system depend on ultrasound data, menopausal status and serum concentrations of CA-125 tumor marker and has a great value in differentiation between benign and malignant adnexal masses. 4 different types of risk of malignancy index are created. The objective of the study was to compare the diagnostic performance of the four malignancy risk indices in dif

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Camacho, Alfonso E., Max L. Goodman, and Roland D. Eavey. "Pathologic Correlation of the Unknown Solid Parotid Mass in Children." Otolaryngology–Head and Neck Surgery 101, no. 5 (1989): 566–71. http://dx.doi.org/10.1177/019459988910100510.

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A parotid mass in a pediatric patient is stated to have an approximately 50% likelihood of being malignant.1,2 To evaluate our experience in light of this suggested incidence, we conducted a retrospective study, which included 22 patients treated over an 8-year period, 1979 to 1987. Patients' ages ranged from 16 months to 19 years, and all patients presented with an unknown, solid parotid mass. One patient had a malignancy, mucoepidermoid carcinoma. Eight patients were diagnosed with benign pleomorphic adenoma. Thirteen patients had an inflammatory process consisting of one of the following co

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Akabane, Miho, Shusuke Haruta, Takeshi Fujii, et al. "Idiopathic retroperitoneal fibrosis mimicking infiltrative malignancy: a case report." Journal of International Medical Research 50, no. 2 (2022): 030006052210797. http://dx.doi.org/10.1177/03000605221079769.

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The treatment strategy for an idiopathic retroperitoneal mass has not yet been established. Additionally, differentiating between benign and malignant is a challenge. Herein, we report a case in which we performed partial resection of a mass in a symptomatic patient with idiopathic retroperitoneal fibrosis that mimicked malignancy. A 44-year-old woman with an unremarkable medical history other than gallstones presented with a 1-month history of abdominal pain and repetitive vomiting. Imaging studies identified a large, retroperitoneal mass compressing the duodenum that had grown acutely over t

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Vijayalaxmi, Davalagi, Devi. K. Poolan, Kabiraj Swapna, and Sahu Madhusmita. "Evaluation of Adnexal Masses and its Diagnostic Value of Clinical Findings, Ultrasonography and its Correlation with Histopathological Diagnosis." International Journal of Pharmaceutical and Clinical Research 14, no. 4 (2022): 563–71. https://doi.org/10.5281/zenodo.13838800.

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<strong>Objective:</strong> Adnexal masses is a common clinical presentation in gynaecological practice and can be of gynaecological or non- gynecologic origin. it includes masses arising from ovaries, fallopian tubes, broad ligament and structures within broad ligament that are developed from the embryonic nests. the term adnexal mass is most often used for masses involving the ovary because of high propensity of the ovary for neoplasia. Therefore, gynecologist must evaluate these masses using clinical and radiological information and the balance the risk of surgical intervention for a b

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Harindranath, Sidharth, and Sridhar Sundaram. "Approach to Pancreatic Head Mass in the Background of Chronic Pancreatitis." Diagnostics 13, no. 10 (2023): 1797. http://dx.doi.org/10.3390/diagnostics13101797.

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Chronic pancreatitis (CP) is a known risk factor for pancreatic cancer. CP may present with an inflammatory mass, and differentiation from pancreatic cancer is often difficult. Clinical suspicion of malignancy dictates a need for further evaluation for underlying pancreatic cancer. Imaging modalities remain the mainstay of evaluation for a mass in background CP; however, they have their shortcomings. Endoscopic ultrasound (EUS) has become the go-to investigation. Adjunct modalities such as contrast-harmonic EUS and EUS elastography, as well as EUS-guided sampling using newer-generation needles

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Alcázar, Juan Luis, Laura Pineda, and Jesús Utrilla-Layna. "Predicting Malignancy in Entirely Solid-appearing Adnexal Masses on Gray-Scale Ultrasound Based on Additional Ultrasound Findings, Clinical Complaints and Biochemical Parameters: A Retrospective Study." Donald School Journal of Ultrasound in Obstetrics and Gynecology 7, no. 1 (2013): 80–85. http://dx.doi.org/10.5005/jp-journals-10009-1273.

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ABSTRACT Purpose To determine which clinical, biochemical and other sonographic parameters could be useful to predict malignancy in sonographically solid adnexal masses. Materials and methods Clinical, biochemical and other sonographic features from 227 women diagnosed as having an entirely solid adnexal mass on B-mode gray-scale ultrasound were reviewed for this retrospective study. All patients had undergone surgery and mass removal. Definitive histologic diagnosis was available in all cases. All parameters were compared to final histological diagnosis (benign or malignant) in univariate sta

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