Left & Center: Two small, hypopigmented polypoid lesions seen at retroflexion in the rectum in a 71 year-old man undergoing routine colon screening. Histologically the lesions were squamous papillomas, with mild to moderate dysplasia, and features consistent with Human Papilloma Virus (HPV) infection.
Right: Sessile bland polypoid lesion seen at retroflexion in the rectum of a 47 year old man. Histology was consistent with squamous papilloma having features of HPV.
46 year-old women undergoing colonoscopy for average risk colon screening. Retroflexion revealed a pale sessile polypoid lesion, located in the 2 o'clock position in the photo at left and shown in close up in the photo at right. Histology was consistent with condyloma acuminatum with features of HPV. There was no dysplasia.
55 year-old man, HIV positive, undergoing colonoscopy for high risk screening by virtue of a family history of colon polyps. His previous colonoscopy 8 yrs earlier had revealed a single distal rectal condyloma acuminatum which was not treated due to lack of symptoms. Current exam revealed 3 small sessile polypoid anorectal lesions, all of which were condylomata acuminata, without dysplasia, on biopsy.
See also Squamous Papilloma.
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