title: Image of the month. Extranodal marginal zone B-cell (mucosa-associated lymphoid tissue) lymphoma of the colon presenting as an obstructing mass.
authors.affiliation: Department of Medicine, Santa Clara Valley Medical Center, San Jose, California, USA.
authors.forename: Rebecca
authors.initials: R
authors.lastname: Piotrowski
authors.forename: Richard
authors.initials: R
authors.lastname: Kramer
authors.forename: Ahmad
authors.initials: A
authors.lastname: Kamal
mesh_terms: D000369:Aged, 80 and over; D003110:Colonic Neoplasms / Q000473:pathology*; D003113:Colonoscopy; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology; D018442:Lymphoma, B-Cell, Marginal Zone / Q000473:pathology*