title: CD-30 positive peripheral T-cell lymphoma of the Waldeyer's ring.
abstract: We describe a patient with peripheral T cell lymphoma of the Waldeyer's ring that ran a highly aggressive course. This is followed by a discussion on the differential diagnoses of nasal T/NK cell lymphoma and Ki-1 ALCL, based on clinical and pathological features.
authors.affiliation: University Department of Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong. jcschim@hkucc.hku.hk
authors.forename: C S
authors.initials: CS
authors.lastname: Chim
authors.forename: T W
authors.initials: TW
authors.lastname: Shek
authors.forename: G C
authors.initials: GC
authors.lastname: OOI
authors.forename: R
authors.initials: R
authors.lastname: Liang
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D017730:Ki-1 Antigen; D016399:Lymphoma, T-Cell / Q000175:diagnosis / Q000276:immunology / Q000473:pathology; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis / Q000276:immunology / Q000473:pathology; D014067:Tonsillar Neoplasms / Q000175:diagnosis / Q000276:immunology / Q000473:pathology
chemical_list: D017730:Ki-1 Antigen