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Clin Radiol. 2014 Mar;69(3):315-22. doi: 10.1016/j.crad.2013.10.009. Epub 2013 Nov 26.

Spectrum of imaging findings on MDCT enterography in patients with small bowel tuberculosis.

Author information

  • 1Department of Radiodiagnosis and Imaging, Post Graduate Institute of Medical Education and Research, Chandigarh, India. Electronic address: navkal2004@yahoo.com.
  • 2Department of Radiodiagnosis and Imaging, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
  • 3Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
  • 4Department of Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
  • 5Department of Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

Abstract

Abdominal tuberculosis (TB) is the sixth most common extrapulmonary site of involvement. The sites of involvement in abdominal tuberculosis, in descending order of frequency, are lymph nodes, genitourinary tract, peritoneal cavity, and gastrointestinal tract. The radiological armamentarium for evaluating tuberculosis of the small bowel (SBTB) includes barium studies (small bowel follow-through, SBFT), CT (multidetector CT, CT enterography, and CT enteroclysis), ultrasound (sonoenteroclysis), and magnetic resonance imaging (MRI; enterography and enteroclysis). In this review, we illustrate the abnormalities at MDCT enterography in 20 consecutive patients with SB TB and also describe extraluminal findings in these patients. MDCT enterography allows non-invasive good-quality assessment of well-distended bowel loops and the adjacent soft tissues. It displays the thickness and enhancement of the entire bowel wall in all three planes and allows examination of all bowel loops, especially the ileal loops, which are mostly superimposed. The terminal ileum and ileocaecal junction are the most common sites of small bowel involvement in intestinal TB. The most common abnormality is short-segment strictures with symmetrical concentric mural thickening and homogeneous mural enhancement. Other findings include lymphadenopathy, ascites, enteroliths, peritoneal thickening, and enhancement. In conclusion, MDCT enterography is a comprehensive technique for the evaluation of SB TB.

Copyright © 2013 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.

PMID:
24290774
[PubMed - indexed for MEDLINE]
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