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IMAGES AND VIDEOS
Year : 2016  |  Volume : 5  |  Issue : 5  |  Page : 346-347

Small bowel intussusception induced by a jejunal gastrointestinal stromal cell tumor diagnosed by endoscopic ultrasound


1 Department of Internal Medicine and Gastroenterology, Cairo University, Cairo, Egypt
2 Department of Surgery, Maadi Military Hospital, Cairo, Egypt
3 Department of Internal Medicine and Gastroenterology, Assiut University, Assiut, Egypt
4 Department of Tropical Medicine, Cairo University, Cairo, Egypt

Date of Submission27-Sep-2015
Date of Acceptance02-Mar-2016
Date of Web Publication7-Oct-2016

Correspondence Address:
Hussein Hassan Okasha
Cairo University Cairo, Cairo
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2303-9027.191683

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How to cite this article:
Okasha HH, Amin M, Ezzat R, El-Nady M, Nagy A. Small bowel intussusception induced by a jejunal gastrointestinal stromal cell tumor diagnosed by endoscopic ultrasound. Endosc Ultrasound 2016;5:346-7

How to cite this URL:
Okasha HH, Amin M, Ezzat R, El-Nady M, Nagy A. Small bowel intussusception induced by a jejunal gastrointestinal stromal cell tumor diagnosed by endoscopic ultrasound. Endosc Ultrasound [serial online] 2016 [cited 2019 Nov 17];5:346-7. Available from: http://www.eusjournal.com/text.asp?2016/5/5/346/191683

A 48-year-old female was complaining of attacks of upper abdominal colicky lasting for about 2-6 h. The pain was recurring every 2-3 weeks for 2 months.

Abdominal computed tomography (CT) showed a solid mass with an area of cystic breakdown encroaching upon the body of the pancreas interpreted as a pancreatic lesion.

Upon EUS examination, an extraluminal bowel mass with typical doughnut appearance of intussusception was seen [Figure 1] and [Figure 2]. In another plane of examination, we noticed a bowel mass about 2 cm × 3 cm [Figure 3].
Figure 1. Doughnut appearance of intussusception

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Figure 2. Doughnut appearance of intussusception

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Figure 3. Jejunal GIST with intussusception

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Surgical exploration was recommended and revealed jejunoduodenal intussusception with the presence of proximal jejunal mass [Figure 4] which proved to be a Gastrointestinal stromal tumor (GIST) upon histopathological examination.
Figure 4. Jejunal GIST with intussusception during surgical exploration

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  Discussion Top


Bowel intussusception in adults is considered a rare condition, accounting for 5% of all cases of intussusceptions and almost 1%-5% of cases with bowel obstruction. GISTs are rare clinical entities, constituting <3% of all gastrointestinal malignant neoplasms and represent only 20% of small-bowel malignant neoplasms (excluding lymphoma). [1]

Intussusception is correctly diagnosed preoperatively in only one-third of cases. [2] In transverse section, ultrasound shows concentric rings of tissue representing components of the bowel wall and mesenteric fat referred to as the doughnut or target sign.

In our case, CT could see the bowel GIST as a mass encroaching upon the body of the pancreas, but the intussusception was not identified. Jejunal intussusception was diagnosed by EUS by the typical doughnut appearance.

After a review of the literature, we did not find any case of small-bowel intussusception diagnosed by EUS. There is one similar report, published in GIE in 2010 by Kularatna et al. and his group. They described a case of jejunal GIST properly diagnosed by EUS after being mistaken for a pancreatic mass on CT; [3] however, it was not associated with intussusception. To the best our knowledge, it is the first case of intussusception initiated by a jejunal GIST diagnosed during EUS examination.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Theodoropoulos GE, Linardoutsos D, Tsamis D, et al. Gastrointestinal stromal tumor causing small bowel intussusception in a patient with Crohn's disease. World J Gastroenterol 2009;15:5224-7.  Back to cited text no. 1
[PUBMED]    
2.
Badreldina R, Bowling T. Disorders of the small bowel. Surgery 2008;26:338-42.  Back to cited text no. 2
    
3.
Kularatna G, Azar RR, Mullady DK, et al. Nearly missed GI stromal tumor: EUS diagnosis of a jejunal GI stromal tumor mistaken for a pancreatic mass on CT. Gastrointest Endosc 2010;71:1065-6.  Back to cited text no. 3
[PUBMED]    


    Figures

  [Figure 1], [Figure 2], [Figure 3], [Figure 4]


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