title: Synchronous Merkel cell and squamous cell carcinoma of the anal canal in an HIV-positive patient: a case report.
authors.affiliation: Department of Colorectal Surgery, Royal Brisbane and Women's Hospital, Herston, Queensland, Australia. eug2000@hotmail.com
authors.forename: E J S
authors.initials: EJ
authors.lastname: Ong
authors.forename: L M
authors.initials: LM
authors.lastname: Wang
authors.forename: J
authors.initials: J
authors.lastname: Darby
mesh_terms: D000328:Adult; D001005:Anus Neoplasms / Q000150:complications / Q000473:pathology*; D015266:Carcinoma, Merkel Cell / Q000556:secondary*; D002294:Carcinoma, Squamous Cell / Q000556:secondary*; D017809:Fatal Outcome; D015658:HIV Infections / Q000150:complications*; D006801:Humans; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*