title: Pathologic quiz case: a 30-year-old man with lower abdominal and back pain. Anaplastic large cell lymphoma (Ki-1 lymphoma) of the pancreas.
authors.affiliation: Department of Pathology, The Johns Hopkins Hospital, Baltimore, Md 21287, USA.
authors.forename: Anil V
authors.initials: AV
authors.lastname: Parwani
authors.forename: Piotr
authors.initials: P
authors.lastname: Kulesza
authors.forename: Yener S
authors.initials: YS
authors.lastname: Erozan
authors.forename: Syed Z
authors.initials: SZ
authors.lastname: Ali
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D000328:Adult; D001416:Back Pain / Q000209:etiology*; D006801:Humans; D017728:Lymphoma, Large-Cell, Anaplastic / Q000175:diagnosis*; D008297:Male; D010190:Pancreatic Neoplasms / Q000175:diagnosis*