title: [Primary malignant melanoma of the maxillary sinus misdiagnosed as bleeding polyp].
authors.forename: Wei
authors.initials: W
authors.lastname: Hang
authors.forename: Gang
authors.initials: G
authors.lastname: Liu
authors.forename: Jin-ling
authors.initials: JL
authors.lastname: Zhang
mesh_terms: D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D008443:Maxillary Sinus / Q000473:pathology*; D008545:Melanoma / Q000175:diagnosis*; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis*; D011127:Polyps / Q000175:diagnosis / Q000473:pathology