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CASE REPORT
Abdominal cocoon: preoperative diagnosis on CT
  1. Sudipta Mohakud1,
  2. Aparna Juneja2 and
  3. Hira Lal3
  1. 1 Radiodiagnosis, All India Institute of Medical Sciences Bhubaneswar, Odisha, India
  2. 2 Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India
  3. 3 Radiodiagnosis, SGPGIMS, Lucknow, Uttar Pradesh, India
  1. Correspondence to Dr Sudipta Mohakud, drsudipta.m{at}gmail.com

Abstract

A 23-year-old man presented to the emergency department with a history of recurrent episodes of subacute intestinal obstruction. Palpation revealed a firm, non-tender, mobile, non-pulsatile mass of size 8–10 cm with indistinct margins and smooth surface in the hypogastrium. Contrast-enhanced CT scan of the abdomen showed clumping of the small bowel loops within a well-defined membrane-like structure without dilatation or thickening of bowel loops. The patient underwent a laparotomy with incision of the membrane and separation of all the small bowel loops inside the cocoon. Abdominal cocoon is the idiopathic variety of sclerosing encapsulating peritonitis and is an unusual cause of acute or subacute intestinal obstruction. Clinical diagnosis is difficult because of non-specific symptoms. CT has facilitated accurate preoperative diagnosis, long before the patient presents with full-fledged symptoms of acute intestinal obstruction. CT scan plays a significant role in excluding the secondary causes and helps in patient management.

  • small intestine
  • surgery
  • radiology
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Footnotes

  • Contributors SM: drafting the manuscript, collecting clinical data and editing the manuscript. HL: drafting the manuscript and editing the manuscript. AJ: drafting the manuscript, collecting radiological images and reviewing the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.

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