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Unusual cause of intussusception
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  1. Naveen Voore1,
  2. Larry Weisner2
  1. 1Department of Internal Medicine, Riverside Shore Memorial Hospital, Nassawadox, Virginia, USA
  2. 2Department of General Surgery, Riverside Shore Memorial Hospital, Nassawadox, Virginia, USA
  1. Correspondence to Dr Naveen Voore, voorenaveen{at}yahoo.com

https://doi.org/10.1136/bcr-2015-212324

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    Description

    An 87-year-old woman with a known history of coronary artery disease, hypertension and hyperlipidaemia, presented with gradually worsening abdominal pain and recurrent vomiting over a few days. On examination, she was hypotensive, tachycardic and in respiratory distress. She was emergently intubated, started on vasopressor agents and admitted to the intensive care unit.

    CT scan of the abdomen showed gallstone ileus with secondary intussusception and obstruction of the proximal jejunum (figures 1⇓⇓–4). This prompted a surgical consult. Owing to rapid deterioration of the patient's condition, her family chose for her to not undergo surgery and decided to opt for comfort measures. The patient passed away some hours later.

    Figure 1
    Figure 1

    CT scan of the abdomen showing intussusception of the small bowel segment.

    Figure 2
    Figure 2

    CT scan of the abdomen showing a 2 cm gallstone in the small bowel, causing intussusception.

    Figure 3
    Figure 3

    CT scan of the abdomen showing a gallstone in the small bowel and telescoping of bowel loops.

    Figure 4
    Figure 4

    CT scan of the abdomen with coronal view showing intussusception of the small bowel.

    Intussusception is very rare in adults.1 It occurs due to a pathological lead point within the bowel, pulled by normal peristalsis and telescoped into another segment of bowel. Various causes of intussusception have been reported in the literature, however, our patient's case is the first to describe obstruction with intussusception due to a gallstone as the lead point in the jejunum.

    The most common symptom at presentation is abdominal pain, however, nausea, vomiting, fever and bloody diarrhoea can also occur. CT is the most sensitive test for diagnosis and it can distinguish conditions with or without a lead point.2 A ‘target sign’ is the most characteristic finding on CT scan. Management of intussusception depends on the cause, symptomology and the segment of the bowel involved, however, surgery is the mainstay of treatment in adult patients, especially if the small bowel is involved.

    Learning points

    • Adult intussusception is a rare condition requiring a high index of suspicion.

    • Treatment depends on the cause, location of the bowel segments and age of the patient.

    References

    1. ↵
      1. Zubaidi A,
      2. Al-Saif F,
      3. Silverman R
      . Adult intussusception: a retrospective review. Dis Colon Rectum 2006;49:1546–51. doi:10.1007/s10350-006-0664-5
      OpenUrlCrossRefPubMedWeb of Science
    2. ↵
      1. Marinis A,
      2. Yiallourou A,
      3. Samanides L, et al
      . Intussusception of the bowel in adults: a review. World J Gastroenterol 2009;15:407–11. doi:10.3748/wjg.15.407
      OpenUrlCrossRefPubMedWeb of Science
    View Abstract

    Footnotes

    • Contributors NV was involved in patient care during hospitalisation, as well as in writing, editing and submitting the manuscript to the journal. LW was the surgeon involved in patient care, and also helped in writing and editing the manuscript.

    • Competing interests None declared.

    • Patient consent Obtained.

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