title: Punctate, pigmented verrucous papillomatosis.
mesh_terms: D000293:Adolescent; D001706:Biopsy; D003094:Collagen; D005260:Female; D005347:Fibroblasts; D006801:Humans; D008854:Microscopy, Electron; D010212:Papilloma / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*
chemical_list: D003094:Collagen