title: Germinal center derived malignant lymphoma in cystadenolymphoma.
abstract: Two cases of malignant non-Hodgkin's lymphoma arising in an Albrecht-Arzt-tumour are reported. In the first case a centroblastic-centrocytic lymphoma in a palatinal cystadenolymphoma of a 64-year-old female is described. In the other case a centroblastic lymphoma developed in an Albrecht-Arzt-tumor of the submandibular region in an 82-year-old man. The occurrence of a high-grade malignant lymphoma in cystadenolymphoma has not been reported in the literature so far.
authors.forename: G H
authors.initials: GH
authors.lastname: Griesser
authors.forename: M L
authors.initials: ML
authors.lastname: Hansmann
authors.forename: M J
authors.initials: MJ
authors.lastname: Bogman
authors.forename: K
authors.initials: K
authors.lastname: Pielsticker
authors.forename: K
authors.initials: K
authors.lastname: Lennert
mesh_terms: D000235:Adenolymphoma / Q000473:pathology*; D000368:Aged; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000473:pathology*; D008224:Lymphoma, Follicular / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012468:Salivary Gland Neoplasms / Q000473:pathology*