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.
See also Squamous Papilloma.
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