La radiologia medica

, Volume 119, Issue 9, pp 651–657 | Cite as

Role of CT in the diagnosis of jejunal–ileal perforations

  • Marirosa Cristallo Lacalamita
  • Marco Moschetta
  • Maria Elisabetta Mancini
  • Arnaldo Scardapane
  • Giuseppe Angelelli
Abdominal Radiology
First Online:
Received:
Accepted:

Abstract

Purpose

The purpose of this study was to evaluate the computed tomography (CT) signs of free and covered small-bowel perforations and the potential of CT in recognising the aetiology.

Materials and methods

Thirty-five patients with surgically proven small-bowel perforation were retrospectively evaluated. Fundamental signs (extraluminal air, solution of continuity) and secondary signs (thickening of the mesentery, free or perilesional fluid, wall thickening) were considered.

Results

CT alterations were found in 31/35 (88.6 %) patients: extraluminal air (30/35, 85.7 %), solution of continuity (11/35, 31.4 %), intra-abdominal fluid (27/35, 77.1 %), thickening of the mesentery (20/35, 57.1 %), and wall thickening (14/35, 40 %). In 25/35 cases (71.4 %) pneumoperitoneum was detected, associated with secondary signs (23/25, 82 %), confirmed as free perforations at surgery. In 5/35 patients (14.2 %), peri-intestinal air bubbles and secondary signs were evident, while in 1/35 cases (2.8 %) only secondary signs were seen, namely covered perforations. In 4/35 patients (11.4 %) with a covered perforation, the CT scan was negative. The nature of the perforations was completely recognisable in 26/31 cases (83.9 %), partially identifiable in 4/31 (12.9 %), not evident in 1/31 (3.2 %).

Conclusion

CT investigation is essential in the recognition of a small-bowel perforation and in the definition of its nature.

Keywords

Small bowel Free and covered perforation CT 
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Notes

Conflict of interest

Marirosa Cristallo Lacalamita, Marco Moschetta, Maria Elisabetta Mancini, Arnaldo Scardapane, Giuseppe Angelelli declare no conflict of interest.

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Copyright information

© Italian Society of Medical Radiology 2013

Authors and Affiliations

  • Marirosa Cristallo Lacalamita
    • 1
  • Marco Moschetta
    • 1
  • Maria Elisabetta Mancini
    • 1
  • Arnaldo Scardapane
    • 1
  • Giuseppe Angelelli
    • 1
  1. 1.DIM-Interdisciplinary Department of Medicine, Section of Diagnostic ImagingAldo Moro University of Bari Medical SchoolBariItaly

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