Preoperative Localization of a Vasoactive Intestinal Peptide‐Secreting Tumor by Transhepatic Portal Venous Sampling

Henry P. Parkman, Peter F. Malet, Carrie P. Ogorek, Dana R. Burke, Clifford W. Deveney

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A 35‐yr‐old woman presented with episodic secretory diarrhea. Plasma vasoactive intestinal peptide (VIP) and pancreatic polypeptide (PP) venous levels were elevated. An abdominal computerized tomographic scan showed an enlarged head of the pancreas but no discrete mass. Superselective abdominal arteriography also failed to localize the tumor. Transhepatic portal vein sampling for VIP and PP showed a large increase in VIP and PP in the veins draining the head of the pancreas, with the highest levels being found at the union of the posterior superior pancreaticoduodenal vein with the portal vein. Surgical exploration confirmed (his tumor location and a 2 × 3 cm encapsulated benign tumor was enucleated from the posterior surface of the head of the pancreas. Postoperatively, VIP and PP levels decreased to normal and the diarrheal episodes ceased. This case report demonstrates the usefulness of transhepatic portal vein sampling in localization of VIPomas if other radiological modalities are not helpful.

Original languageEnglish (US)
Pages (from-to)559-563
Number of pages5
JournalThe American journal of gastroenterology
Volume83
Issue number5
DOIs
StatePublished - May 1988

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology

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