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Artykuły w czasopismach na temat „Haller cell”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Dhingra, Shruti, and Satyawati Mohindra. "Isolated Mucocele in an Infraorbital Ethmoidal Cell—Haller Cell: A Unique Presentation." An International Journal Clinical Rhinology 6, no. 1 (2013): 44–46. http://dx.doi.org/10.5005/jp-journals-10013-1147.

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ABSTRACT Haller cell was first described by 18th century Swiss anatomist Albrecht von Haller. Haller cells make up the posterior and superior wall of the ethmoid infundibulum. They can cause obstruction of ethmoidal infundibulum after enlargement. Isolated infection of the Haller cell is usually very rare and should be suspected in patients with visual complaints or facial pain. Diagnosis can be made on radiology. Here, we report a patient with complaints of left-sided eye pain for the last 4 months which was finally diagnosed as Haller cell mucocele and successfully managed via endoscopic mar

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2

Thiagarajan, Balasubramanian. "Infected Haller cell." Online Journal of Otolaryngology 2, no. 3 (2012): 4. http://dx.doi.org/10.5455/jorl.51-1322235174.

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Dhingra, Shruti, and Satyawati Mohindra. "Isolated Mucocele in an Infraorbital Ethmoidal-Haller Cell: A Unique Presentation." An International Journal Clinical Rhinology 6, no. 3 (2013): 129–30. http://dx.doi.org/10.5005/jp-journals-10013-1172.

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ABSTRACT Haller cell, was first described by 18th century Swiss anatomist Albrecht von Haller. Haller cells make up the posterior and superior wall of the ethmoid infundibulum. They can cause obstruction of ethmoidal infundibulum after enlargement. Isolated infection of the Haller cell is usually very rare and should be suspected in patients with visual complaints or facial pain. Diagnosis can be made on radiology. Here, we report a patient with complaints of left-sided eye pain for the last 4 months which was finally diagnosed as Haller cell mucocele and successfully managed via endoscopic ma

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4

Stackpole, Sarah A., and David R. Edelstein. "The Anatomic Relevance of the Haller Cell in Sinusitis." American Journal of Rhinology 11, no. 3 (1997): 219–24. http://dx.doi.org/10.2500/105065897781751910.

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In current theories of sinusitis, obstruction at the ostiomeatal complex leads to localized inflammation and infection. Haller cells, an extension of ethmoid pneumatization along the maxillary antrum roof, have also been suggested as a causative factor in sinusitis because of their ability to cause narrowing of the infundibulum. Coronal CT scans were reviewed in 154 patients to evaluate the role of Haller cells in sinusitis. Haller cells were present in 34% of patients. The cells were graded as small, medium, or large, and correlated with radiologic evidence of sinusitis (e.g., mucosal thicken

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5

Boffano, Paolo, Rodolfo Benech, Cesare Gallesio, and Sid Berrone. "A Giant Haller Cell?" Journal of Craniofacial Surgery 24, no. 3 (2013): 1053. http://dx.doi.org/10.1097/scs.0b013e3182869acb.

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6

Ghosh, Debangshu, Dilip Kumar Baruah, Subodh Chandra Goswmi, and Sumit Kumar Basu. "Lateral Rhinotomy for a Large, Infected Haller Cell Causing Proptosis." Philippine Journal of Otolaryngology-Head and Neck Surgery 30, no. 1 (2018): 4. http://dx.doi.org/10.32412/pjohns.v30i1.389.

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Objective: To report a case of a large sinus Haller cell that presented with chronic rhinosinusitis and proptosis and its surgical management. Method: Design: Case Report Setting: Tertiary Government Hospital Participants: One (1) Results: A 34-year-old lady with proptosis and secondary sinusitis due to a giant infected Haller cell was successfully treated by lateral rhinotomy approach and clearance of all diseased mucosa therein into the nasal cavity. Conclusion: Approach to diseased sinonasal structures via lateral rhinotomy is an alternative to endoscopic

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7

Ragini, Raina, Sinha Vineet, and Kumar Satish. "Study of the Incidence of Onodi Cell, Haller Cell, supraorbital Cell with Anatomic Variations of the Ostiomeatal Complex Using Computed Tomography." International Journal of Pharmaceutical and Clinical Research 16, no. 4 (2024): 1355–59. https://doi.org/10.5281/zenodo.12809444.

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<strong>Background</strong><strong>:</strong> The ostiomeatal complex (OMC) is a critical anatomical region in the nasal cavity, serving as the primary drainage pathway for the frontal, maxillary, and anterior ethmoidal sinuses. Anatomical variations within the OMC, such as Onodi cells, Haller cells, and supraorbital cells, can significantly impact sinus drainage and predispose individuals to chronic rhinosinusitis and other sinus disorders. This study aims to determine the incidence of Onodi cells, Haller cells, supraorbital cells, and other anatomical variations of the OMC using compute

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8

Moshfeghi, Mahkameh, Hamidreza Dehini, and Mitra Ghazizadeh Ahsaie. "Cone Beam CT Analysis of Haller Cells: Prevalence and Relationship with Orbital Floor Dehiscence." International Journal of Dentistry 2023 (January 31, 2023): 1–6. http://dx.doi.org/10.1155/2023/5200152.

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Background and Aim. Haller cells arise from anterior ethmoid air cells and are located in the medial orbital floor, lateral to the maxillary infundibulum. The aim of this cross-sectional study was to determine the prevalence of the Haller cells and its relationship with orbital floor dehiscence on cone beam CT images. Materials and Methods. CBCT images of 120 patients were interpreted in coronal plane for the presence of Haller cells and orbital floor dehiscence. The prevalence of Haller cell, presence of dehiscence, unilateral, or bilateral frequency were assessed. In addition, the size was c

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9

Yanagisawa, Eiji, and Martin J. Citardi. "Endoscopic View of the Infraorbital Ethmoid Cell (Haller Cell)." Ear, Nose & Throat Journal 75, no. 7 (1996): 406–7. http://dx.doi.org/10.1177/014556139607500706.

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10

Christmas, Dewey A., Joseph P. Mirante, and Eiji Yanagisawa. "Endoscopic View of Bilateral Haller Cell Ostia." Ear, Nose & Throat Journal 90, no. 6 (2011): 246. http://dx.doi.org/10.1177/014556131109000602.

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11

Lee, Jae-Hoon. "Large Haller Cell Mucocele Leading to Maxillary Sinusitis." Ear, Nose & Throat Journal 94, no. 4-5 (2015): E53—E54. http://dx.doi.org/10.1177/014556131509404-505.

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12

Meiyappan, Vignesh Naachiyappan, Dr Naveen Nagendran, Dr Karthik Krishna Ramakrishnan, Dr Sneha Yarlagadda, Dr Arunthathy Thangarajah, and Dr Seena Cheppala Rajan. "Incidence of Agger Nasi cells and Haller cells in Computed Tomography of Paranasal Sinuses." Journal of University of Shanghai for Science and Technology 23, no. 09 (2021): 640–45. http://dx.doi.org/10.51201/jusst/21/09582.

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Introduction Agger nasi and haller cells are few of the common anatomical variants of Paranasal Sinuses (PNS) . They can cause obstruction of osteomeatal complex and frontal recess and can cause refractive sinusitis. Also these variants can lead to complications during procedures like Functional Endoscopic Sinus Surgery (FESS). Hence, complete knowledge about these variants and imaging features help in early diagnosis and also helps in avoiding complications during surgery. Materials and Method A retrospective study of 100 patients conducted during the period from January 2021- April 2021 in S

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13

Yanagisawa, Eiji, James C. Marotta, and Ken Yanagisawa. "Endoscopic view of a Mucocele in an Infraorbital Ethmoid Cell (Haller Cell)." Ear, Nose & Throat Journal 80, no. 6 (2001): 364–68. http://dx.doi.org/10.1177/014556130108000603.

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14

Hatice, Baran, and Evman Melis Demirağ. "Radiologic evaluation of paranasal anomalies in the presence of accessory maxillary ostium in pediatric patients." Chronicles of Precision Medical Researchers 4, no. 3 (2023): 275–80. https://doi.org/10.5281/zenodo.10019770.

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Aim: Accessory maxillary ostium may have anembryologic association with the variations aroundthe paranasal sinuses. This study aimed to investigatethe cross-sectional and developmental associations ofthe accessory maxillary ostium with various anatomicalvariations around the ostio-meatal complex andmaxillary sinus in children.Material and Method: Medical records and paranasalcomputed tomography sections of 457 patients aged3–17 years were reviewed retrospectively. The studygroup consisted of 184 patients with accessory maxillaryostium (AMO group), and the control group consisted of273 pa

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15

Pokhrel, Sona, and Bhuwan Raj Pandey. "Study of Anatomical Variations of Nose and Para-nasal Sinuses in Computed Tomography Scan." Journal of KIST Medical College 2, no. 2 (2020): 20–25. http://dx.doi.org/10.3126/jkistmc.v2i2.33568.

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Introduction: Computed tomography (CT) has nowadays become the investigation of choice for diagnosis and evaluation of anatomical variations of the nose and paranasal sinuses. Methods: A cross sectional study was conducted in the Department of Radiology of Lumbini Medical College Hospital from June 2019 to May 2020. Total of 130 patients were enrolled for the study. All patients were subjected to Siemens Somatom scope 16 slice CT scan. Each scan was studied for the presence of agger nasi cell, concha bullosa, deviated nasal septum, haller cell, onodi cell, uncinate process variation and

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16

Christmas, Dewey A., Joseph P. Mirante, and Eiji Yanagisawa. "Endoscopic View of a Haller Cell Draining into the Maxillary Sinus." Ear, Nose & Throat Journal 90, no. 1 (2011): E31. http://dx.doi.org/10.1177/014556131109000120.

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17

Lee, Dong Hoon, Tae Mi Yoon, Joon Kyoo Lee, and Sang Chul Lim. "Cholesterol granuloma of a Haller cell associated with unilateral exophthalmos and diplopia." British Journal of Oral and Maxillofacial Surgery 54, no. 7 (2016): 833–35. http://dx.doi.org/10.1016/j.bjoms.2015.11.028.

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18

Kamdi, Pallavi, Vijayalakshmi Nimma, Amit Ramchandani, Easwaran Ramaswami, Ajas Gogri, and Hemant Umarji. "Evaluation of haller cell on CBCT and its association with maxillary sinus pathologies." Journal of Indian Academy of Oral Medicine and Radiology 30, no. 1 (2018): 41. http://dx.doi.org/10.4103/jiaomr.jiaomr_22_18.

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AŞANTOĞROL, Firdevs, Aykağan COŞGUNARSLAN, Damla SOYDAN ÇABUK, and Mehmet AMUK. "The Prevalance of Haller Cell and Its Effect on Maxillary Sinusitis and Obstruction of Osteomeatal Complex." Turkiye Klinikleri Journal of Dental Sciences 27, no. 2 (2021): 191–98. http://dx.doi.org/10.5336/dentalsci.2020-73773.

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Ramadhani, Tezar Ridho, Siti Masrochah, and Ary Kurniawati. "Efektifitas Variasi Window Width Terhadap Informasi Anatomi CT Scan Sinus Paranasal Citra Jaringan Lunak Pada Kasus Sinusitis." Jurnal Imejing Diagnostik (JImeD) 9, no. 2 (2023): 80–87. http://dx.doi.org/10.31983/jimed.v9i2.10330.

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Background: Selection window width (WW) and window level (WL) must be precise to produce an optimal overview of anatomical information on CT scan paranasal sinuses soft tissue window in case of sinusitis. WW affects controlling contrast resolution. A wide window width will appear the less contrast of image. The aim of the study is to know the difference in anatomical information with variation WW and to know the most optimal WW value for CT scan paranasal sinuses soft tissue window in case of sinusitis.Methods: The research design is a quantitative experimental study, using WW variations (90,

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21

Rusu, Mugurel Constantin, Andrei Leonid Chirita, and Mihai Sandulescu. "Bilateral infraorbital maxillary air cells: recess-derived non-Haller cells." Romanian Journal of Rhinology 6, no. 22 (2016): 109–12. http://dx.doi.org/10.1515/rjr-2016-0013.

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Abstract BACKGROUND. The infraorbital recess of the maxillary sinus can reach in front of the nasolacrimal duct to become prelacrimal recess. During a routine Cone Beam CT (CBCT) study of a male patient of 72 years old, there were bilaterally found infraorbital maxillary air cells (IMACs) resulted after the almost complete closure of infraorbital recesses of the maxillary sinuses. Only that on the left side was reaching in front of the nasolacrimal canal. The closure of each infraorbital recess leaded to a narrow draining passage opened in the terminal end of the maxillary infundibulum, thus p

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22

Lavrenova, Galina V., and Kristina A. Oganyan. "Haller’s cells in the practice of an otorhinolaryngologist." Folia Otorhinolaryngologiae et Pathologiae Respiratoriae 30, no. 1 (2024): 19–26. http://dx.doi.org/10.33848/fopr628808.

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Haller’s cells are infraorbital ethmoidal cells located along the inferior wall of the orbit. They were first described by Albrecht von Haller in 1743 and were subsequently named after him. The reported prevalence of these cells varies significantly from 2.7% to 45.1%. They are a variant of the normal anatomical structure of the paranasal sinuses. These cells are often incidental findings on computed tomography (CT) of the nasal cavity and paranasal sinuses. Haller’s cells may predispose patients to maxillary sinusitis and may complicate maxillary sinus surgery. In addition, isolated inflammat

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23

Mahapatra, Subharina, Manjula Hebbale, Meenal Tepan, Rajshekhar Halli, Simran Singh, and Rakhee Modak. "Prevalence of Haller Cell and Accessory Maxillary Ostium: A Cone-Beam Computed Tomographic Study." Journal of Indian Academy of Oral Medicine and Radiology 34, no. 4 (2022): 466. http://dx.doi.org/10.4103/jiaomr.jiaomr_154_22.

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Karamanou, Marianna, Gregory Tsoucalas, and George Androutsos. "Hallmarks in the study of respiratory physiology and the crucial role of Antoine-Laurent de Lavoisier (1743–1794)." American Journal of Physiology-Lung Cellular and Molecular Physiology 305, no. 9 (2013): L591—L594. http://dx.doi.org/10.1152/ajplung.00142.2013.

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From the early 17th century the advent of physical and chemical sciences developed two important movements toward the explanation of all vital phenomena: the Iatrochemical and Iatromechanical Schools. The important research of their representatives such as Jan Baptist van Helmont, John Mayow, Robert Boyle, Gian Alfonso Borelli, Richard Lower, and Albrecht von Haller, followed by the discovery of the atmospheric gases, provided a fecund soil for the leading work of Lavoisier in respiratory physiology.

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25

KAYA, Sema. "Evaluation of the Relationship Between Haller Cell and Concha Bullosa with Cone Beam Computed Tomography: Cross-Sectional Study." Turkiye Klinikleri Journal of Dental Sciences 30, no. 3 (2024): 406–13. http://dx.doi.org/10.5336/dentalsci.2024-102311.

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Cheung, Tobias. "Omnis Fibra Ex Fibra: Fibre OEconomies in Bonnet’s and Diderot’s Models of Organic Order." Early Science and Medicine 15, no. 1-2 (2010): 66–104. http://dx.doi.org/10.1163/138374210x12589831573108.

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In a long-term transformation, that begins in Antiquity but takes a crucial turn in the Renaissance anatomies, the “fibre” becomes from around 1750 the operative building block and at the same time the first unifying principle of function-structure-complexes of organic bodies. It occupies the role that the cell takes up in the cell œconomies of the second third of the nineteenth century. In this paper, I will first discuss some key notions, technical analogies, and images that are related to “fibre”-concepts from Andreas Vesalius to Albrecht von Haller and then focus on Charles Bonnet’s and De

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27

Yılmazsoy, Yunus, and Serdar Arslan. "Assessment of the prevalence of Haller cell variation and the relationship of maxillary sinusitis with computed tomography." Journal of Health Sciences and Medicine 1, no. 3 (2018): 54–58. http://dx.doi.org/10.32322/jhsm.442889.

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Haller, Thomas, Paul Dietl, Kristian Pfaller, et al. "Fusion pore expansion is a slow, discontinuous, and Ca2+-dependent process regulating secretion from alveolar type II cells." Journal of Cell Biology 155, no. 2 (2001): 279–90. http://dx.doi.org/10.1083/jcb.200102106.

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In alveolar type II cells, the release of surfactant is considerably delayed after the formation of exocytotic fusion pores, suggesting that content dispersal may be limited by fusion pore diameter and subject to regulation at a postfusion level. To address this issue, we used confocal FRAP and N-(3-triethylammoniumpropyl)-4-(4-[dibutylamino]styryl) pyridinium dibromide (FM 1-43), a dye yielding intense localized fluorescence of surfactant when entering the vesicle lumen through the fusion pore (Haller, T., J. Ortmayr, F. Friedrich, H. Volkl, and P. Dietl. 1998. Proc. Natl. Acad. Sci. USA. 95:

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Hobi, Nina, Andrea Ravasio, and Thomas Haller. "Interfacial stress affects rat alveolar type II cell signaling and gene expression." American Journal of Physiology-Lung Cellular and Molecular Physiology 303, no. 2 (2012): L117—L129. http://dx.doi.org/10.1152/ajplung.00340.2011.

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Previous work from our group (Ravasio A, Hobi N, Bertocchi C, Jesacher A, Dietl P, Haller T. Am J Physiol Cell Physiol 300: C1456–C1465, 2011.) showed that contact of alveolar epithelial type II cells with an air-liquid interface (IAL) leads to a paradoxical situation. It is a potential threat that can cause cell injury, but also a Ca2+-dependent stimulus for surfactant secretion. Both events can be explained by the impact of interfacial tensile forces on cellular structures. Here, the strength of this mechanical stimulus became also apparent in microarray studies by a rapid and significant ch

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ABDALLA, Mohammad Ahmad, and Rana Zahim HUSSIEN. "CT Scans Imaging of Human Ethmoid Sinuses and Gross Anatomical Dissection: a Descriptive, Projective, Comparative, and Dimensional Study." Medicina Moderna - Modern Medicine 29, no. 3 (2022): 213–26. http://dx.doi.org/10.31689/rmm.2022.29.3.213.

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Introduction: The ethmoid air sinus can subdivide into several air cells, which are separated from each other by thin, incomplete bony septa resulting in the formation of three groups of air cells (anterior, middle, and posterior cells). Methods: A randomized sample of 360 human individuals, including 110 cadavers with another 250 CT scan cases, was achieved from February 2020 to November 2021. Results: The agger nasi was the most common type of cell demonstrated by 81.8% in cadaveric cases and 94% in CT cases. The frontal bulla cell presents just above the ethmoidal bulla and may produce conv

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31

Archer, James E., Adrian Gardner, Fiona Berryman, and Paul Pynsent. "The measurement of the normal thorax using the Haller index methodology at multiple vertebral levels." Journal of Anatomy 229, no. 4 (2016): 577–81. http://dx.doi.org/10.1111/joa.12499.

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Zaitoun, Ismail S., Yong-Seok Song, Hammam B. Zaitoun, Christine M. Sorenson, and Nader Sheibani. "Assessment of Choroidal Vasculature and Innate Immune Cells in the Eyes of Albino and Pigmented Mice." Cells 11, no. 20 (2022): 3329. http://dx.doi.org/10.3390/cells11203329.

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The visualization of choroidal vasculature and innate immune cells in the eyes of pigmented mice has been challenging due to the presence of a retinal pigment epithelium (RPE) layer separating the choroid and retina. Here, we established methods for visualizing the choroidal macrophages, mast cells, and vasculature in eyes of albino and pigmented mice using cell type-specific staining. We were able to visualize the choroidal arterial and venous systems. An arterial circle around the optic nerve was found in mice similar to the Zinn–Haller arterial circle that exists in humans and primates. Thr

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Enkhtaivan, Altandush, Bayarmaa Enkhbat, Bayarmagnai Lkhagvasuren, et al. "Paranasal Sinuses Anatomic Variants and its Association with Chronic Rhinosinusitis in Mongolia." Central Asian Journal of Medical Sciences 8, no. 4 (2022): 212–22. http://dx.doi.org/10.24079/cajms.2022.12.003.

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Objective: The aim of this study was to obtain the prevalence of nasosinus anatomic variations in a Mongolian population and to understand their importance and impact on the disease process, as well as their influence on surgical management and outcome. Methods: This study is a prospective review of retrospectively performed normal computed tomography (CT) scans of the nose and paranasal sinuses in the adult Mongolian population. Results: Of all CT scans that were reviewed, 53.7 % were of women patients and 46.3 % were of men patients. The mean age of the study sample was 45.6 ± 16.3 years. Th

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Suzuki-Yamazaki, Mikiko, Keiso Takahashi, Satoshi Takada, Yasumasa Kato, and Yuh Baba. "A Successful Treatment Regimen for the Prevention of Sinusitis after Maxillary Sinus Floor Elevation Surgery in a High-Risk Case." Case Reports in Otolaryngology 2020 (August 7, 2020): 1–3. http://dx.doi.org/10.1155/2020/6869805.

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Maxillary sinus floor elevation (sinus lift) is a widely recognized dental-surgical approach for dental implant placement. However, for an otorhinolaryngological high-risk patient with severe anatomic-structural impairments of the maxillary sinus drainage pathway, surgical intervention is recommended before sinus lift to avoid postsinus lift maxillary sinusitis. Here, we show a case that postsinus lift maxillary sinusitis in such a high-risk patient was noninvasively prevented by the collaboration of otorhinolaryngologist and dentist. A 48-year-old Japanese male intended to undergo a sinus lif

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Kumarasekaran, Pragadeeswaran, Rajprakash Dharmapuri Yadhava krishnan, and Gurumani Sriraman. "Anatomical variations in patients with chronic sinusitis." International Journal of Otorhinolaryngology and Head and Neck Surgery 4, no. 2 (2018): 428. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20180702.

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<p class="abstract"><strong>Background:</strong> <span lang="EN-IN">C</span><span lang="EN-IN">hronic sinusitis is repeated bouts of acute infection or persistent inflammation of the sinuses. The range of anatomic variants that can interfere with the mucociliary drainage of osteomeatal complex including concha bullosa, deviated nasal septum, uncinate process variations, ethmoid bulla, paradoxical middle turbinate, agger nasi and Haller cells. This is also important in surgeon point of view to know about detail knowledge of lateral nasal wall, paranasal sinus

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TANYERİ, Yücel, Mehmet ÇELEBİ, and Dursun Mehmet MEHEL. "The effect of paranasal anatomic variations on chronic rhinosinusitis." Journal of Experimental and Clinical Medicine 39, no. 1 (2022): 245–49. http://dx.doi.org/10.52142/omujecm.39.1.47.

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Rhinosinusitis is the inflammation of the paranasal sinus mucosa and the most common pathophysiological event causing rhinosinusitis is the ostiomeatal complex disease. The aim of the study is to determine the prevalence of anatomical variations and mucosal pathologies in paranasal computed tomography images of patients with chronic rhinosinusitis and to reveal the relationship between anatomical variations and sinus pathologies. Anatomical variations and mucosal pathologies in coronal paranasal tomography images were evaluated in 100 patients diagnosed with chronic rhinosinusitis and 32 indiv

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Baisakhiya, Nitish, Harshita Sharma, Sujata Maini, Gaurav Batni, Anusha Shukla Pandey, and Sweety Sen. "Clinical and Radiological Evaluation of Chronic Rhinosinusitis." Bengal Journal of Otolaryngology and Head Neck Surgery 30, no. 2 (2023): 178–89. http://dx.doi.org/10.47210/bjohns.2022.v30i2.806.

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Introduction The diagnosis of rhinosinusitis is based on clinical grounds having characteristic symptoms, combined with objective evidence of mucosal inflammation. We studied the corelation between the symptoms of the patients, clinical and endoscopic findings with CT scan findings in chronic rhinosinusitis (CRS). Materials and Methods Patients above the age of 15yrs fulfilling the criteria of Chronic sinusitis laid by European position paper on rhinosinusitis and nasal polyps (EPOS) 2012 were prospectively studied. Demographic and clinical profile were noted. Diagnostic Nasal Endoscopy was do

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Narendrakumar, V., and V. Subramanian. "Anatomical Variations in Osteomeatal Complex among Patients undergoing Functional Endoscopic Sinus Surgery." An International Journal Clinical Rhinology 9, no. 1 (2016): 28–32. http://dx.doi.org/10.5005/jp-journals-10013-1259.

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ABSTRACT Aims To study the anatomical variations of osteomeatal complex and the importance of preoperative computed tomography (CT) in patients with chronic sinusitis undergoing functional endoscopic sinus surgery. We studied the different variations and their frequency of occurrence. Materials and methods A total of 100 patients undergoing endoscopic sinus surgery were studied by nasal endoscopy, CT scanning, and at the time of definitive surgery, variations were recorded. Results The frequency of occurrence of sinonasal anatomical variations was septal deviation in 76%, agger nasi cells in 7

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Schobersberger, W., F. Friedrich, G. Hoffmann, H. Volkl, and P. Dietl. "Nitric oxide donors inhibit spontaneous depolarizations by L-type Ca2+ currents in alveolar epithelial cells." American Journal of Physiology-Lung Cellular and Molecular Physiology 272, no. 6 (1997): L1092—L1097. http://dx.doi.org/10.1152/ajplung.1997.272.6.l1092.

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L2 cells, a cloned pneumocyte-derived cell line, express voltage-dependent L-type Ca2+ channels, causing transient depolarizing spikes of the membrane potential (Vm) [P. Dietl, T. Haller, B. Wirleitner, H. Volkl, F. Friedrich, and J. Striessing. Am. J. Physiol. 269 (Lung Cell. Mol. Physiol. 13): L873-L883, 1995]. In this study, we examined the effect of nitric oxide (NO)- and guanosine 3',5'-cyclic monophosphate (cGMP)-dependent cell signaling on the activity of L-type Ca2+ channels. Using conventional microelectrodes, spontaneous depolarizations (SD) of Vm by activation of these channels are

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Tuğçe, Temur, Burcu Evlice, and Haluk Öztunç. "Evaluation of paranasal sinus anatomic variations and mucosal changes with cone beam computed tomography." Balkan Journal of Dental Medicine 26, no. 1 (2022): 27–32. http://dx.doi.org/10.5937/bjdm2201027t.

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Background/Aim: Anatomical variations of paranasal sinuses are common and play an role in disrupting the drainage of the sinuses, which often causes chronic sinusitis. In this article, anatomical variations of the paranasal sinuses and its relationship with mucosal changes were evaluated retrospectively by cone beam computed tomography (CBCT) which is also known as dental volumetric tomography. Material and Methods: CBCT data of 500 patients who applied to Cukurova University Faculties of Dentistry for any reason were retrospectively evaluated by maxillofacial radiologist. Anatomical variants

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Haller, Thomas, Klaus Auktor, Manfred Frick, Norbert Mair, and Paul Dietl. "Threshold calcium levels for lamellar body exocytosis in type II pneumocytes." American Journal of Physiology-Lung Cellular and Molecular Physiology 277, no. 5 (1999): L893—L900. http://dx.doi.org/10.1152/ajplung.1999.277.5.l893.

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Pulmonary surfactant is secreted via exocytosis of lamellar bodies (LBs) by alveolar type II cells. Here we analyzed the dependence of LB exocytosis on intracellular Ca2+concentration ([Ca2+]i). In fura 2-loaded cells, [Ca2+]iwas selectively elevated by flash photolysis of a cell-permeant caged Ca2+ compound ( o-nitrophenyl EGTA-AM) or by gradually enhancing cellular Ca2+influx. Simultaneously, surfactant secretion by single cells was analyzed with the fluorescent dye FM 1-43, enabling detection of exocytotic events with a high temporal resolution (T. Haller, J. Ortmayr, F. Friedrich, H. Volkl

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Sahu, Niranjan, Satya Sundar G. Mohapatra, Siba N. Rath, and Rabindra N. Padhy. "Radiological significance of the sinonasal anatomical variants in recurrent acute rhinosinusitis patients." International Journal of Research in Medical Sciences 5, no. 6 (2017): 2379. http://dx.doi.org/10.18203/2320-6012.ijrms20172121.

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Background: Recurrent acute rhinosinusitis (RARS), a low form chronic rhinosinusitis is frequently under evaluated. The significance of sinonasal anatomical variants of osteomeatal complex (OMC) and spheno-ethmoidal (SE) recess regions in patients of RARS is assessed.Methods: Retrospective analysis of coronal sinonasal computed tomography images of 120 RARS patients presented with sinonasal anatomical variants during November 2013 to October 2016 was carried out. Patients with acute and expansile sinonasal lesions are excluded.Results: Sinonasal anatomical variants in the regions of OMC and SE

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Venugopalan, Shruti, Paresh J. Khavadu, Payal S. Chavada, Yash D. Lavana, Manish R. Mehta, and Sejal N. Mistry. "Association of nasal blockage and prevalence of anatomical variants on CT scan of nose and paranasal sinuses." International Journal of Otorhinolaryngology and Head and Neck Surgery 5, no. 4 (2019): 983. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20192717.

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<p class="abstract"><strong>Background:</strong> Nasal blockage is the most common nasal symptom with which patients present in ENT OPD. Sometimes, it is associated with headache and facial pain. The symptoms are secondary to mucosal contact points in the nasal cavity without any observable nasal mass, nasal discharge or turbinate hypertrophy, hence, known as rhinogenic headache or facial pain syndrome.</p><p class="abstract"><strong>Methods:</strong> This is a prospective study done in the department of otorhinolaryngology, at P.D.U. Medical College a

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ALAN, Mehmet Akif, and Muhammed Fazıl ARAS. "Septoplasti ve Septorinoplasti Hastalarında Etmoid Çatı Derinliğinin ve Sinonazal Anatomik Varyasyonların Retrospektif Radyolojik Analizi." Journal of Contemporary Medicine 12, no. 5 (2022): 738–42. http://dx.doi.org/10.16899/jcm.1127673.

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Aim: Computed tomography (CT) provides an accurate assessment of sinonasal anatomy and osseocartilaginous pathologies in patients complaining of sinonasal symptoms. Although it is not a routine practice, CT is frequently used in preoperative screening of patients planned for septoplasty and septorhinoplasty. In this study, anatomical variations and ethmoid lateral lamella depths in preoperative CT images of septoplasty and septorhinoplasty operations performed in our clinic were analyzed retrospectively and discussed with current literature. Material and Method: Septorhinoplasty and sept

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Doo, Jeon Gang, Hye Kyu Min, and Jin-Young Min. "Do Anatomical Variations Affect the Location of Solitary Sphenoid Sinus Fungal Balls? A 10-Year Retrospective Study." Journal of Rhinology 31, no. 1 (2024): 22–28. http://dx.doi.org/10.18787/jr.2024.00001.

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Background and Objectives: Sinonasal fungal balls (FBs) most commonly occur in the maxillary sinus, followed by the sphenoid sinus (SS). Relatively little is known about the predisposing factors and pathogenesis of unilateral sphenoid sinus fungal balls (SSFBs) compared to maxillary sinus FBs. We investigated whether anatomical variations have clinical implications for the location of unilateral SSFBs.Methods: This study included 33 patients who underwent endoscopic sinus surgery for unilateral SSFBs between 2010 and 2021. Preoperative computed tomography scans were used to analyze the presenc

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Sandip, Vora, Patel Mital, Shah Bhaven, and Patel Ronit. "Prospective Cross-Sectional Study on Anatomical Variation with Special Emphasis on Critical Anatomical Landmark in Patients Undergoing Multi Detector Computed Tomography of Paranasal Sinuses." GAIMS Journal of Medical Sciences 3, no. 1 (2022): 13–18. https://doi.org/10.5281/zenodo.7488174.

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Introduction: Para nasal sinuses are best evaluated by multi-detector computed tomography. Evaluation of sphenoid sinus pneumatization, lamina papyracea, onodi cell, cribriform plate, types of optic canal and supraorbital pneumatisation are useful for evaluation of the surgical anatomy of paranasal sinuses for the radiologist which guides the surgeon to take a correct approach for surgery without major complications of crucial structures. CT is recently used as a investigation of choice in the assessment of the paranasal sinuses and surrounding structures. Aims and Objective: To study the type

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Thakral, Riya, Abhinav Srivastav, Anshul Chatrath, et al. "Anatomical Variations on NCCT Nose and Paranasal Sinuses and Their Relation with Symptoms of the Patients: A Retrospective Analysis." NATIONAL BOARD OF EXAMINATIONS JOURNAL OF MEDICAL SCIENCES 2, Issue 11 (2024): 1076–86. http://dx.doi.org/10.61770/nbejms.2024.v02.i11.003.

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Background: There are various bones around the nasal cavity that pneumatize to form the paranasal sinuses; namely, maxilla, ethmoid bone, frontal bone, and sphenoid bone. The CT scan of nose and paranasal sinus is the gold standard investigation for the patients of chronic rhino-sinusitis (CRS). Objective: This study was conducted with aim to determine the prevalence anatomical variation of Nose and Paranasal Sinuses on CT-scan and their relation with symptoms. Methods: A retrospective study was conducted among 200 patients over a period of one year (2022-2023). Patients with various symptoms

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Tejaswi, M., P. Pardhasaradhi, B. T. P. Madhav, et al. "Optical Properties of Liquid Crystalline Alkoxy Benzoic Acids with Dispersed Citrate-Capped Gold Nanoparticles." Zeitschrift für Naturforschung A 74, no. 11 (2019): 1001–22. http://dx.doi.org/10.1515/zna-2019-0100.

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AbstractCitrate-capped gold nanoparticles (Gnps) have multiple applications in all optical devices and influence the properties of birefringence in liquid crystalline (LC) molecules. In the present paper, systematic studies have been carried out on LC compounds p-n-undecyloxy benzoic acid (11oba) and p-n-dodecyloxy benzoic acid (12oba) with dispersed citrate-capped Gnps in different low molar concentrations. The phase transition temperatures of the LC nanocomposites obtained from polarizing thermal microscopy (POM), differential scanning calorimetry (DSC) and modified spectrometry are found to

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Policina, Catherine, Giancarla Marie Ambrocio, Rodante Roldan, and Precious Eunice Grullo. "Sinonasal Anatomy Variations on CT Scans of a Sample of Filipino Adults With Chronic Rhinosinusitis." Philippine Journal of Otolaryngology Head and Neck Surgery 38, no. 1 (2023): 22. http://dx.doi.org/10.32412/pjohns.v38i1.2139.

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ABSTRACT Objective: To determine the prevalence of sinonasal anatomic variations seen on paranasal sinus (PNS) CT scans of a sample of Filipino adults with chronic rhinosinusitis.Methods: Design: Cross-sectional study Setting: Tertiary Government Training Hospital Participants: The PNS CT scans of 51 Filipino patients with chronic rhinosinusitis with and without nasal polyposis diagnosed at our outpatien Department of Otorhinolaryngology-Head and Neck Surgery between October 2015 to December 2020 were reviewed for the presence of sinonasal anatomic variants. The prevalence of the identif

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Patel, Rahul B., Nidhi R. Nair, Jaymin A. Contractor, Jalpadevi A. Patel, and Ankita M. Vasani. "Role of CT-PNS in non-neoplastic sino-nasal diseases: an observational study at tertiary care center in South Gujarat." International Journal of Otorhinolaryngology and Head and Neck Surgery 5, no. 2 (2019): 345. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20190045.

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<p class="abstract"><strong>Background:</strong> Role of CT scan in sinonasal disease is proved by many published articles. Most of them are having small sample size, poorly defined protocol of CT reporting and does not mention the window width and window level of the software. We did this study to include these points and tried to have sample size of at least 200.</p><p class="abstract"><strong>Methods:</strong> 231 patients included in the study. After clinical examination CT PNS was done. A strict protocol was maintained for the timing of CT, window

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