A Contribution to the Etiopathogenesis, Diagnosis and Management of Sinonasal Inverted Papillomas
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منابع مشابه
TRANSNASAL ENDOSCOPIC APPROACH FOR SINONASAL INVERTED PAPILLOMA
Inverted papillomas of the nose and paranasal sinuses are uncommon neoplasms, characterized by their tendency to occur and by their association with malignancy. In the past decade there has been a trend toward the use of endoscopic surgical techniques in the management of these tumors. This article presents the results of a prospective study of24 patients with inverted papilloma resected by...
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Objective: A prospective study was conducted in the department of ENT to see the incidence, Prevalence, Symptoms, signs and etiopathogenesis in relation to ophthalmic manifestations in ENT diseases and various ENT surgical procedures (iatrogenic). Material and methods: 35 cases were selected from IN and OUT patients of the department between July 1st 2008 to June 30th of 2009. 26 cases of orbit...
متن کاملHuman papillomavirus in sinonasal inverted
Background and Purpose: a substantial number of studies have reported evidence on the involvement of human papillomaviruses (HPV) in oral and sinonasal papillomas and carcinomas. Oncogenic HPV subtypes 16 and 18 seem to play an important role in carcinogenesis, whereas low risk HPV subtypes 6 and 11 are usually characteristic of benign lesions. The aim of the present study was to evaluate a rol...
متن کاملTemporal bone and sinonasal inverted papilloma: the same pathological entity?
BACKGROUND Inverted papilloma involving the temporal bone is an extremely rare occurrence. Reports in the literature suggest a higher recurrence rate and association with squamous cell carcinoma in Schneiderian-type papillomas of the middle ear than in sinonasal Schneiderian-type papillomas. OBJECTIVES To investigate the expression of apoptosis-related proteins, markers of cell proliferation ...
متن کاملCoexpression of cytokeratins typical for columnar and squamous differentiation in sinonasal inverted papillomas.
Cytokeratin (CK) expression was studied in 22 sinonasal inverted papillomas. Columnar (respiratory) epithelium in inverted papillomas abundantly expressed CK7, CK8, CK18, and CK19. Immunoreactivity for CK5/14 and CK17 was found in basal and parabasal/suprabasal cells. Transitional (cuboidal) and squamous epithelium in inverted papillomas comparably expressed CK7, CK8, CK18, and CK19. In additio...
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