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AJR 2005; 184:50-54
© American Roentgen Ray Society

Original Report

Tuberculosis of the Pancreas: MRI Features

A. I. De Backer1, K. J. Mortelé2, P. Bomans3, B. L. De Keulenaer4, I. J. Vanschoubroeck3 and M. M. Kockx5

1 Department of Radiology, Stuivenberg, Ziekenhuisnetwerk Antwerpen, Lange Beeldekensstraat 267, Antwerp B-2060, Belgium.
2 Department of Radiology, Division of Abdominal Imaging and Intervention, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St., Boston, MA 02115.
3 Department of Internal Medicine, Stuivenberg, Ziekenhuisnetwerk Antwerpen, Antwerp B-2060, Belgium.
4 Intensive Care Unit, Royal Darwin Hospital, Rocklands 0810, TIWI, Northern Territory, Australia.
5 Department of Pathology, Stuivenberg, Ziekenhuisnetwerk Antwerpen, Antwerp B-2060, Belgium.

OBJECTIVE. The purpose of this study was to describe the MRI features of tuberculosis of the pancreas.

CONCLUSION. Pancreatic tuberculosis can be focal or diffuse. If focal, it presents as a sharply delineated mass located in the pancreatic head, showing heterogeneous enhancement. Lesions are hypointense on fat-suppressed T1-weighted images and a mixture of hypo- and hyperintense on T2-weighted images. The appearances of common bile duct and main pancreatic duct are normal. Diffuse involvement is characterized by pancreatic enlargement with narrowing of the main pancreatic duct and heterogeneous enhancement. Signal intensity abnormalities indicating diffuse involvement include hypointensity on fat-suppressed T1-weighted images and hyperintensity on T2-weighted images.


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