Anal basaloid carcinoma emedicine

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  anal squamous cell carcinoma develops at the anal squamocolumnar junction and arises from a precancerous lesion called high-grade anal intraepithelial neoplasia (ain-ii, ain-iii). The presence of ain in high-risk groups, especially hiv-positive patients, is an indication for ongoing surveillance by means of high-resolution anoscopy, close followup, topical medications, or other methods. Carcinoma of the bile ducts is a relatively rare disease with an incidence of 26 cases100. It has a grave prognosis with a one-year survival rate of 53. Cholangiocellular carcinoma (cc) is most common among women and the average age of onset is 50 years. It can present in both intra- and extrahepatic biliary ducts, with the.   basal cell carcinoma (bcc) is a nonmelanocytic skin cancer (ie, an epithelial tumor) that arises from basal cells (ie, small, round cells found in the lower layer of the epidermis). The prognosis for patients with bcc is excellent, but if the disease is allowed to progress, it can cause significant morbidity. Casereport a fatal case of primary basaloid squamous cell carcinoma in the intrahepatic bile ducts johankirkegaard,1 miegrunnet,2 andjanepreusshasselby3. Further workup with colonoscopy and biopsies confirmed an unusual basaloid scc of the rectum approximately 5 cm above the anal verge. Tumor immunophenotype was compared to control cases of anal squamous-cell carcinoma and rectal. (2013) used berep4 markers (dako, carpinteria, ca, usa) to identify bcc located in the anal region. These carcinomas are rarely found and hard to distinguish from basaloid squamous carcinoma without the use of biopsy techniques. In this study, specimens consisted of 9 bcc and 15 basaloid squamous carcinomas. If not removed completely, basal cell carcinoma can come back (recur) in the same place on the skin. People who have had basal cell skin cancers are also more likely to get new ones in other places. Squamous cell carcinoma about 2 out of 10 skin cancers are squamous cell carcinomas (also called squamous cell cancers).

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