Anal basaloid carcinoma

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This variant of squamous cell carcinoma of the anal region arises from the entodermal-ectodermal junctional zone of the anal canal at or above the dentate line. Basaloid carcinomas have histological characteristics which resemble basal cell carcinoma of the skin, in particular the presence of palisading of the nuclei at the periphery of the clumps of tumour cells, but are potentially. Basaloid squamous cell carcinoma (scc) of the anus, previously called cloacogenic carcinoma, is a subtype of scc. There are very few data on the morphologic variation within basaloid scc of the anus, which may contribute to misdiagnosis. The pathology and results of treatment of 36 cases of basaloid carcinomas of the anal canal are described. This variant of squamous cell carcinoma of the anal region arises from the entodermal-ectodermal junctional zone of the anal canal at or above the dentate line.   c basaloid anal carcinoma, metastatic to liver, consisting of large aggregates of basaloid tumor cells without apparent basement membrane material or squamous differentiation (h&e, 100). Squamous cell carcinomas in the anal canal have grown beyond the surface and into the deeper layers of the lining (as opposed to carcinoma in situ which is only in the surface cells). Cloacogenic carcinomas (also called basaloid or transitional cell carcinomas ) are a type of squamous cell cancer. Basaloid scc of the anus is characterized by 4 major histologic patterns and is consistently hpv driven. Ab - basaloid squamous cell carcinoma (scc) of the anus, previously called cloacogenic carcinoma, is a subtype of scc. There are very few data on the morphologic variation within basaloid scc of the anus, which may contribute to misdiagnosis.   who officially only recognizes squamous cell carcinoma basaloid variant has also been termed cloacogenic or transitional mucoepidermoid carcinoma may be used for tumors with prominent mucinous features, although the biology may be different (j gastroenterol 200136508).   squamous carcinoma, of varying levels of differentiation, involving the anal canal. Clinicopathologic study of three hundred seventy-three cases.

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