Journal
WORLD JOURNAL OF GASTROENTEROLOGY
Volume 23, Issue 1, Pages 173-177Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v23.i1.173
Keywords
Small bowel neoplasm; Stomach neoplasm; Synchronous quintuple primary cancer; Colon neoplasm
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Multiple primary malignancy is defined as two or more malignancies detected in an individual person. In particular, synchronous quintuple primary malignancy is extremely rare. A 52-year-old male with anal pain and intermittent blood-tinged stool was diagnosed with malignancies in the stomach, jejunum, ascending colon, transverse colon and rectum. He underwent a subtotal gastrectomy, segmental resection of the jejunum and total protocolectomy with end ileostomy. The postoperative pathologic findings were moderate differentiated gastric adenocarcinoma (pT1bN0M0, pStage I A), combined adenocarcinoma and neuroendocrine carcinoma of the jejunum (pT3N0M0, pStage II A), three mucinous adenocarcinoma of the ascending colon (pT3N0M0, pStage. A), transverse colon (pT1N0M0, pStage I) and rectum (pT3N1aM0, pStage III B). The tumors did not lack MLH-1 and MSH-2 expression, as the markers (bat26, D5S346, bat25, D2S123) suggest MSI-H presence. Adjuvant chemor-adiotherapy was started according to regimen, FOLFOX 4 for advanced rectal cancer. Six years post-operation, the patient is currently attending regular follow-ups without recurrence or metastasis.
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