A bening flat skin lesion showing hyperkeratosis of papillary formations of hyperplastic stratified squamous epithelium. Some cells show koilocytosis suggestive of viral etiology. No evidence of specific granulomas. No evidence of atypia or malignancy.
History of warts, exact site was not specified.
Soft tissue fragments collectively measured 6x5x1.3 cm, the largest measuring 2.5x2x1.3 cm.
Skin lesions (exact site was not specified), excision biopsy: