Results 41 to 50 of about 9,007 (234)

An 8-year evaluation of nasal and paranasal sinuses malignant neoplasms in Tehran University of Medical Sciences hospitals [PDF]

open access: yesIranian Journal of Otorhinolaryngology, 2009
Introduction: Nasal and paranasal sinuses malignant neoplasms are usually diagnosed in advanced stages because of non-specific and benign symptoms. In this study we evaluated the symptoms, pathology and treatment of paranasal sinuses malignancies in ...
Mohsen Naraghi   +3 more
doaj  

Surgical Approaches to Resection of Anterior Skull Base and Paranasal Sinuses Tumors

open access: yesBalkan Medical Journal, 2013
Malignant tumours of the sinonasal tract comprise approximately 3% of the malignancies that arise in the upper aerodigestive tract. Approximately 10% of tumours that arise in the sinonasal tract originate in the ethmoid and/or frontal sinuses, and are ...
Sara Abu- Ghanem, Dan M. Fliss
doaj   +1 more source

Development of an Open‐Source Algorithm for Automated Segmentation in Clinician‐Led Paranasal Sinus Radiologic Research

open access: yesThe Laryngoscope, EarlyView.
The purpose of this study was to validate and provide an open‐source segmentation algorithm of paranasal sinus CT scans for the otolaryngology research community. This can be used for further AI‐based analysis and radiomic analysis in future research. ABSTRACT Objective Artificial Intelligence (AI) research needs to be clinician led; however, expertise
Rhea Darbari Kaul   +12 more
wiley   +1 more source

A rare case of maxillary sinus and buccal space involvement of extramedullary plasmocytoma: Cross-sectional imaging findings and review of the literature

open access: yesRadiology Case Reports
Extramedullary plasmacytoma (EMP) belongs to the group of plasma cell neoplasms, which include following entities: multiple myeloma (MM), lymphoplasmacytic lymphoma, solitary plasmacytoma of the bone (SBP) and EMP.
Pier Paolo Arcuri, MD   +6 more
doaj   +1 more source

A RARE CASE OF SPONTANEOUS PNEUMOCEPHALUS AS A COMPLICATION OF NONTRAUMATIC CEREBROSPINAL FLUID RHINORRHEA. AN EVIDENCEBASED REVIEW

open access: yesАрхивъ внутренней медицины, 2017
Pneumocephalus is defined as intracranial air. Pneumaticcephaly is associated with several etiological factors, such as head injuries, surgical interventions, infections and neoplasms.
E. V. Shelesko   +2 more
doaj   +1 more source

Transoral Robotic‐Assisted Removal of a Submucosal Pyriform Sinus Foreign Body

open access: yesThe Laryngoscope, EarlyView.
Submucosal foreign bodies of the medial pyriform sinus represent a challenge given limited visualization and difficult retraction with endoscopic approaches, and risk of injury to the recurrent laryngeal nerve with open approaches. We present a novel case utilizing the Da Vinci SP system for removal of an embedded fishbone from the medial pyriform ...
Elisabeth Wenneker   +4 more
wiley   +1 more source

Nasal Branch of the Anterior Ethmoidal Artery and Cribroethmoidal Groove: New Frontal Sinus Landmarks

open access: yesThe Laryngoscope, EarlyView.
This study investigates the nasal branch of the anterior ethmoidal artery (NbAEA) and the cribroethmoidal groove (CrEGr) as novel and reliable anatomical landmarks for expanded endoscopic frontal sinusotomies. Through cadaveric dissections and a clinical case series, both structures were consistently identified and shown to aid safe and accurate ...
Alessandro Vinciguerra   +13 more
wiley   +1 more source

A Rare Presentation of Central Giant Cell Granuloma of the Maxillary Sinus

open access: yesJournal of Aziz Fatimah Medical and Dental College, 2019
Central giant cell granuloma (CGCG), also known as giant cell reparative granuloma, is a non-cancerous proliferative lesion of unknown etiology. It is a localized osteolytic lesion with the diverse biological behavior of aggression which most commonly ...
Muhammad Saleem, Danish Hassnain
doaj   +1 more source

MMP11 as a Prognostic Indicator for Inverted Papilloma Histologic Grade and Recurrence

open access: yesThe Laryngoscope, EarlyView.
Matrix metalloproteinase‐11 (MMP11) expression increases with inverted papilloma (IP) histologic grade and is significantly higher in patients who develop recurrence. Quantitative immunohistochemistry revealed that elevated MMP11 predicts both increased recurrence risk and shorter time to recurrence, independent of dysplasia.
Kush Panara   +11 more
wiley   +1 more source

Chinese Guidelines for Diagnosis and Treatment of Chronic Rhinosinusitis (2024)

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Chronic rhinosinusitis (CRS), a complex inflammatory disease with heterogeneous pathogenesis, demands evolving evidence‐based strategies. Since the 2018 Chinese guidelines and EPOS2020, international advances in CRS immunopathology and biologics have revolutionized therapeutic approaches, particularly through phenotype–endotype classification ...
Subspecialty Group of Rhinology   +4 more
wiley   +1 more source

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