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A rectal biopsy is a procedure used to extract a tissue sample from the rectum for laboratory analysis. Theres no mention of anal mapping in the document while high resolution anoscopy is found on page ms-3 under the risk reduction section. It does mention biopsy, too, but not a carpet-bombing session. Question what is an anorectal biopsy, and how should i report it?kentucky subscriberanswer the code will depend on two thingsthe instrument your gastroenterology used to obtain the biopsy and the biopsys depth. Template mapping biopsies demonstrate a high diagnostic yield (table 8. In a case series of 191 consecutive biopsy naive patients, bittner et al. 3 of these cancers in areas not typically sampled in a trus biopsy.). The operative details are as followed began by excising the right sided mass with electrocautery with a small circumferential margin, depth of the incision had extended due to what appeared to be invasion. Malignancies of the anal margin and perianal skin are relatively uncommon lesions, comprising 3 to 4 of all anorectal malignancies. Commonly included in this group of cancers are bowens disease (intraepithelial squamous cell cancer), perianal pagets disease (intraepithelial adenocarcinoma), invasive squamous cell cancer, basal cell cancer, and malignant melanoma. to evaluate the disease extent within the anal canal, preoperative mapping biopsy of the anal canal was performed in five out of six patients. Two patients were positive for paget cells within the anal canal (one at the dentate line and the other at 0. 5 cm above the dentate line), whereas in three patients, paget cell were present only in the skin of the anal verge. The specialist doctor will examine your anus and back passage (rectum). But if its painful, you can have the examination under general anaesthetic. Anal mapping is valuable following the wide local excision of in situ anal carcinomas and their histologic variants (bowen and paget disease). Leonard marks and his team from ucla presented their work on treating prostate cancer in the urology clinic via focal laser ablation (fla.).