Ascaris lumbricoides-induced acute pancreatitis: Diagnosis during EUS for a suspected small pancreatic tumor

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Abstract

Context: Ascaris lumbricoides is the second most common intestinal parasite world-wide and, although the infection can be asymptomatic, in some cases it can present with complications, such as acute pancreatitis. Case report: We describe the case of a 37-year-old man, with a history of travelling in Eastern countries who presented with Ascaris lumbricoides-induced acute pancreatitis mimicking a small pancreatic cancer, diagnosed during an upper EUS. The endoscopy revealeda roundworm floating in the duodenum; its endoultrasonographic appearance showed a diffuse inhomogeneous pattern, with hypoechoic echotexture, such as in acute pancreatitis. Microbiological examination of the worm revealed a 20 cm long Ascaris lumbricoides. Conclusion: In non endemic countries, acute pancreatitis induced by Ascaris lumbricoides is an unusual diagnosis, and should be suspected especially in patients with history of traveling in endemic areas.

Original languageEnglish
Pages (from-to)570-572
Number of pages3
JournalJournal of the Pancreas
Volume10
Issue number5
Publication statusPublished - 2009

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Keywords

  • Acute necrotizing
  • Ascaris lumbricoides
  • Endosonography
  • Pancreatitis

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Hepatology

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