Results 81 to 90 of about 469,251 (264)

Characterization of Chronic Rhinosinusitis Patients Based on Markers of Type 2 Inflammation: Findings From the European CRS Outcome Registry (CHRINOSOR)

open access: yesClinical and Translational Allergy, Volume 15, Issue 9, September 2025.
ABSTRACT Background Primary chronic rhinosinusitis (CRS) can be classified based on the sinuses involved and the dominant endotype of the mucosal inflammation. Since the introduction of type 2 targeted biologics as treatment option for CRS, assessment of the inflammatory status has gained importance in CRS patients.
Carlo Cavaliere   +30 more
wiley   +1 more source

Epiphora and unrecognized paranasal sinuses pathology

open access: yesAmerican Journal of Ophthalmology Case Reports, 2020
Purpose: to report five patients all presenting with persistent unilateral epiphora as a sign of unexpected and rare lesions causing Secondary Acquired Nasolacrimal Duct Obstruction (SANDO) and the risks associated to an incomplete diagnostic work-up ...
Filippo Confalonieri   +4 more
doaj   +1 more source

Sinonasal inverted papilloma; recurrence, malignant transformation and risk factors [PDF]

open access: yes, 2019
Sinonasal inverted papilloma is a rare benign epithelial tumor. Its three main clinical characteristics are the tendency of recurrence, the destructive ability of nearby structures and malignant transformation.
Ghindea, Teodora   +9 more
core   +1 more source

Comparative analysis of the World Health Organization Reporting System for Head and Neck Cytopathology and the Milan System for Reporting Salivary Gland Cytopathology

open access: yesCancer Cytopathology, Volume 133, Issue 9, September 2025.
Abstract Background A comparative analysis of the International Academy of Cytology–International Agency for Research on Cancer–World Health Organization Reporting System for Head and Neck Cytopathology (WHO) and the Milan System for Reporting Salivary Gland Cytopathology (MSRSGC) was performed.
Adam Kowalewski   +5 more
wiley   +1 more source

Sphenoid Sinus Inverted Papilloma: A Case Report and Literature Review

open access: yesInternational Archives of Otorhinolaryngology, 2014
Introduction Inverted papilloma is a rare benign tumor of the nasal fossa, which usually originates from its lateral wall. Only 5% of cases demonstrate exclusive sinus involvement. Primary sphenoid sinus involvement is even rarer.
Gustavo Figueiredo Nunes Rabelo   +5 more
doaj   +1 more source

Genomic profiling of sinonasal squamous cell carcinoma. [PDF]

open access: yes, 2011
Background. Sinonasal squamous cell carcinomas (SNSCC) are rare tumors with no etiological link to tobacco and alcohol, as opposed to other squamous cell carcinomas of the head and neck (HNSCC).
Alonso, Marta   +8 more
core   +1 more source

Sinonasal Ringertz Tumor

open access: yesJournal of the Scientific Society
Inverted papilloma is a benign epithelial tumor characterized by ingrowth into the ectodermal Schneiderian membrane in the nasal cavity and the paranasal sinuses.
Anilkumar Suryadev Harugop   +3 more
doaj   +1 more source

Inverted Papilloma of Nasal Septum

open access: yesPhilippine Journal of Otolaryngology Head and Neck Surgery, 2012
Dear Editor,   Papillomas are primary benign epithelial neoplasms producing finger–like projections that typically cover fibrous stalks.1 The term Inverted Papilloma (IP) describes the endophytic projection of epithelium into the stroma. Also known
Min Han Kong, Bee See Goh
doaj   +1 more source

Assessment of endoscopic and external approaches for frontal sinus lesions

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, Volume 11, Issue 3, Page 375-384, September 2025.
Abstract Objectives The use of endoscopic approaches has revolutionized the management of frontal sinus (FS) lesions. However, external approaches still play a significant role in select conditions. Various factors determine the decision to utilize endoscopic or external approaches such as the lesion location, extension, and patient's characteristics ...
Moataz D. Abouammo   +5 more
wiley   +1 more source

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