Anal squamous carcinoma

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Progression of anal cancer (squamous cell carcinoma of the anus) anal cancer spreads by local invasion initially, and then via the lymphatics with inguinal, pelvic, para-aortic and iliac nodes being the most common sites of early anal cancer spread. 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. Anal cancer is a cancer which arises from the anus, the distal opening of the gastrointestinal tract. Symptoms may include bleeding from the anus or a lump near the anus. Other symptoms may include pain, itchiness, or discharge from the anus. Anal carcinoma and 80 of anal cancers are squamous cell carcinomas (sccs). Other tumour types include melanoma , lymphoma and adenocarcinoma. Squamous cell carcinomas (sccs), also known as epidermoid carcinomas, comprise a number of different types of cancer that result from squamous cells. These cells form on the surface of the skin, on the lining of hollow organs in the body, and on the lining of the respiratory and digestive tracts. Squamous cell (epidermoid) carcinomas make up the majority of all primary cancers of the anus. Historically, a subset of tumors arising from the epithelial transitional zone were categorized as cloacogenic or basaloid tumors however, these tumors are now recognized as nonkeratinizing squamous cell cancers and are similarly associated with human papilloma virus. Squamous cell anal carcinoma occurs when the skin cells spread beyond the surface to the deeper layers of the lining in or on the anus and grow uncontrollably. 0 evaluations from squamous cell anal cancer patients report slight effectiveness of fluorouracil for squamous cell.

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