title: Increased incidence of second primary malignancy in patients with carcinoid tumors: case report and literature review.
abstract: There is an increased incidence of second noncarcinoid neoplasms in patients with carcinoid tumors. This article reports a case of a synchronous malignant ileal carcinoid tumor in a patient with an adenocarcinoma of the sigmoid colon. This report illustrates the increased association of carcinoid tumors with other gastrointestinal malignancies.
authors.affiliation: Department of Pathology, Howard University College of Medicine, Washington, DC 40292, USA.
authors.forename: D E
authors.initials: DE
authors.lastname: Rivadeneira
authors.forename: W B
authors.initials: WB
authors.lastname: Tuckson
authors.forename: T
authors.initials: T
authors.lastname: Naab
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000473:pathology*; D000368:Aged; D002276:Carcinoid Tumor / Q000473:pathology*; D006801:Humans; D007078:Ileal Neoplasms / Q000473:pathology*; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D012811:Sigmoid Neoplasms / Q000473:pathology*; D012812:Sigmoidoscopy