Results 71 to 80 of about 9,762 (218)

Multimodal management of PD‐L1 positive sinonasal inverted papilloma with malignant transformation

World Journal of Otorhinolaryngology - Head and Neck Surgery, Volume 11, Issue 3, Page 477-481, September 2025.
Abstract Inverted papillomas (IP) are rare sinonasal tumors (Schneiderian papillomas) characterized by local invasion, with high recurrence rates and potential for malignant transformation into squamous cell carcinoma (SCC ex‐IP). Traditionally, the mainstay of treatment has been surgical resection, often challenging due to invasion of the skull base ...
Vanessa Velazquez, Mohamad Nawar Hakim, Hans Brockhoff, Satish Maharaj   +3 more
wiley   +1 more source

Sinonasal Ringertz Tumor

Journal 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, Tanishtha Saxena, Dhawal Alias Dhruv Nilesh Amin, Ansh Dawar   +3 more
doaj   +1 more source

Inverted Papilloma of Nasal Septum

Philippine 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

World 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, Hossam S. Elsherif, Medhat M. H. Mansour, Magdy E. Saafan, Ricardo L. Carrau, Mahmoud F. Abdelaziz   +5 more
wiley   +1 more source

Inverted Papilloma against a Background of Bilateral Rhinosinusitis Polyposa with Viscous Mucin (Clinical Case)

Креативная хирургия и онкология, 2018
Introduction. Rhinosinusitis polyposa consists in a chronic inflammation of the mucous membrane of the nose and paranasal sinuses, followed by recurrent growth of polyps and characterised by a high prevalence.
R. M. Pestova, E. E. Savel’eva, L. F. Aznabaeva, R. A. Sharipov   +3 more
doaj   +1 more source

Usual Tumor at an Unusual Site - A Leiomyoma Masquerading as a Urethral Polyp. [PDF]

, 2013
Polyps and papillomas encompass the most common benign tumors of the urethra.Leiomyoma of urethra is a rare clinical entity which can be diagnosed only with histopathological examination and only around 35 such cases have been reported ...
Chandrashekhar, AP, Patil, MA, Shilpa, MN, Sunila, S   +3 more
core   +1 more source

Decidual Cells Induce Release of Free and Exosome‐Bound Interferon Epsilon From Vaginal Epithelial Cells

American Journal of Reproductive Immunology, Volume 94, Issue 3, September 2025.
ABSTRACT Problem We tested the hypothesis that oxidative stress (OS)‐induced inflammatory response in decidual cells (DECs) may transfer and/or trigger the release of interferon epsilon (IFNε)‐positive extracellular vesicles (EVs) from vaginal epithelial cells (VECs) to minimize vaginal disturbances. Method of Study VECs were treated for 48 h under the
Emmanuel Amabebe, Lauren S. Richardson, Awanit Kumar, Ramkumar Menon, Brandie D. Taylor   +4 more
wiley   +1 more source

Is radical surgery of an inverted papilloma of the maxillary sinus obsolete? a case report

Journal of Medical Case Reports, 2016
Background Sinonasal inverted papilloma is a locally aggressive tumor arising from the Schneiderian membrane which lines the nasal cavity and paranasal sinuses.
Vedat Yildirim, Niels Christian Pausch, Dirk Halama, Heinz-Theo Lübbers, Ayhan Yildirim   +4 more
doaj   +1 more source

Inverted papilloma in Russian Hamster [PDF]

, 2011
Introduction: Cutaneous papilloma is a benign epithelial neoplasm arising in epidermal keratinocytes. Papillomaviruses belong to papovavirus family, causing single or multiple verrucous projections, variable in size, well circumscribed and keratinized ...
Cruz, R., Mota, A., Vala, Helena, Vicente, A.   +3 more
core  

Value-based analysis of routine pathologic septal and inferior turbinate specimens. [PDF]

, 2013
This article was presented at the 2012 AAO-HNSF Annual Meeting & OTO EXPO; September 9-12, 2012; Washington, DC. Objective To determine the frequency and clinical relevance of unanticipated histopathologic results in routine sinonasal surgery and ...
Berwick DM, Bhattacharyya N, Cassel CK, Cullen KA, Hall MJ, Owings MF, Porter ME, Younis RT   +7 more
core   +2 more sources