title: Intranasal malignant melanoma arising in an inverted papilloma.
abstract: A case of intranasal malignant melanoma arising in the epithelium of an inverted papilloma is described. The use of immunohistochemistry to delineate the in situ component of the malignant tumour is illustrated and the characteristic features of malignant melanomas at this site discussed.
authors.affiliation: Department of Histopathology, Bradford Royal Infirmary, UK.
authors.forename: D R
authors.initials: DR
authors.lastname: Gouldesbrough
authors.forename: D P
authors.initials: DP
authors.lastname: Martin-Hirsch
authors.forename: F
authors.initials: F
authors.lastname: Lannigan
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008545:Melanoma / Q000473:pathology*; D009669:Nose Neoplasms / Q000473:pathology*; D010212:Papilloma / Q000473:pathology*