Multidetector CT imaging of the pancreatic groove: differentiating carcinomas from paraduodenal pancreatitis

Lewis K. Shin, R. Brooke Jeffrey, Reetesh K. Pai, Siva P. Raman, Elliot K. Fishman, Eric W. Olcott

Research output: Contribution to journalArticlepeer-review

Abstract

Objective This study aims to identify multidetector row CT (MDCT) findings that differentiate paraduodenal pancreatitis (PDP) from groove carcinomas (GC). Methods Two radiologists retrospectively reviewed various imaging features on pancreas protocol CT scans of 8 PDP and 8 GC patients. Two-tailed Fisher's Exact Test was used for statistical analysis. Results MDCT findings correlating with PDP included benign common bile duct morphology (P<.01), duodenal wall thickening (P<.05), and cystic groove lesions (P<.01). A statistical difference in gastroduodenal artery (GDA) encasement was not observed (P=.119). Conclusions There are several MDCT findings that favor PDP over GC. However, presence of GDA encasement is not a reliable distinguishing feature.

Original languageEnglish (US)
Pages (from-to)1246-1252
Number of pages7
JournalClinical Imaging
Volume40
Issue number6
DOIs
StatePublished - Nov 1 2016

Keywords

  • Groove carcinoma
  • Groove pancreatitis
  • Pancreatic groove
  • Paraduodenal pancreatitis

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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