title: Primary cutaneous anaplastic large cell lymphoma.
abstract: Anaplastic large cell lymphoma (ALCL) is characterized by proliferation of anaplastic large CD 30+ T-cell lymphoid cells with abundant cytoplasm. Primary cutaneous ALCL is a rare form of ALCL, usually seen in elderly patients. In this report, the authors present an unusual case of 15-year-old boy with a solitary left ear lobe mass, previously reported as keratoacanthoma which was later histopathologically and immunohistochemically diagnosed as T-cell phenotype, anaplastic lymphoma kinase (ALK)-negative primary cutaneous anaplastic large cell lymphoma. The patient's response to chemotherapy was good and he is receiving the continuation phases of his chemotherapy.
authors.affiliation: Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
authors.forename: Ghania
authors.initials: G
authors.lastname: Daar
authors.forename: Serhan
authors.initials: S
authors.lastname: Küpeli
authors.forename: Bilgehan
authors.initials: B
authors.lastname: Yalçin
authors.forename: Vural
authors.initials: V
authors.lastname: Kesik
authors.forename: Diclehan
authors.initials: D
authors.lastname: Orhan
authors.forename: Münevver
authors.initials: M
authors.lastname: Büyükpamukçu
mesh_terms: D000293:Adolescent; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D006801:Humans; D017728:Lymphoma, Large-Cell, Anaplastic / Q000175:diagnosis* / Q000188:drug therapy* / Q000201:enzymology; D008297:Male; D016896:Treatment Outcome