anus, cases Week 246: Case 5 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Kara Judson, M.D.This is a 76-year-old female patient with a very complex past medical history that includes multiple forms of cancer as well as hypertension, peripheral vascular disease, chronic renal insufficiency, and diabetes. She had a hysterectomy in 1965, left mastectomy form Paget"s disease of the left nipple with an associated 2.4 cm in situ and infiltrating duct carcinoma, and a 0.9 cm adenocarcinoma of the sigmoid colon in 2004. She now complains anal discomfort and has reddened and thickened anal mucosal/skin lesions that were biopsied and subsequently excised.Squamous cell carcinoma in situMalignant melanoma in situ of the anusPerianal Paget's disease, colorectal typePsoriasis 1. Presented by Peter Illei, M.D. and prepared by Kara Judson, M.D.This is a 76-year-old female patient with a very complex past medical history that includes multiple forms of cancer as well as hypertension, peripheral vascular disease, chronic renal insufficiency, and diabetes. She had a hysterectomy in 1965, left mastectomy form Paget"s disease of the left nipple with an associated 2.4 cm in situ and infiltrating duct carcinoma, and a 0.9 cm adenocarcinoma of the sigmoid colon in 2004. She now complains anal discomfort and has reddened and thickened anal mucosal/skin lesions that were biopsied and subsequently excised.