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Colonic intussusception caused by a sigmoidal lipoma: A case report
Soumaya M'rabet1, Mohamed Salah Jarrar2, Imen Akkari1
1Department of Gastroenterology, Farhat Hached University Hospital, Sousse, Tunisia.
Insights
Adult intussusception, though rare, can cause bowel obstruction. This case highlights colo-colonic intussusception in an adult, secondary to a sigmoid lipoma, emphasizing surgical treatment due to malignancy risk.
Area of Science:
- Gastroenterology
- Surgical Oncology
Background:
- Adult intussusception is rare, often linked to tumors or inflammatory conditions.
- Lipomas are benign gastrointestinal tumors and a rare cause of intussusception.
Purpose of the Study:
- To present a unique case of colo-colonic intussusception in an adult.
- To discuss the diagnosis and management of this rare condition.
Main Methods:
- Case report of a 40-year-old male with sigmoid lipoma causing intussusception.
- Review of diagnostic and management strategies for adult intussusception.
Main Results:
- Colo-colonic intussusception occurred secondary to a sigmoid lipoma.
- The patient's intussusception was not associated with a malignant lesion.
Conclusions:
- Adult intussusception, particularly colo-colonic, necessitates surgical resection due to high malignancy incidence.
- Colonoscopy aids lipoma visualization but intraluminal reduction is not advised.
Introduction:
Intussusception is a relatively common condition seen in children. In comparison, adult intussusception is rare and is often secondary to inflammatory diseases, benign or malignant tumors and motility disorders. Being a benign cause, lipomas appear as a particularly rare gastrointestinal tumor.
Presentation Of Case:
We present a case of colo-colonic intussusception secondary to a sigmoidal lipoma, in a 40-year-old man. We describe the different aspects of diagnosis and management of this rare complication.
Discussion:
Adult intussusception is the cause of symptomatic bowel obstruction in 1% of cases and its colo-colonic occurrence represents 17% of all intestinal intussusceptions. The case that we describe is particularly unique because apart from being an example of intussusception in adults, it occurred in the sigmoid colon and was not associated with a malignant lesion. The treatment of intussusception in adults is surgical resection because of the high incidence of underlying malignancy. Colonoscopy is a modality which allows direct visualization of the lipoma. However, intraluminal reduction via colonoscopy is not recommended.
Conclusion:
Colo-colonic intussusception is a very rare complication of lipoma. It is determined that the treatment is surgical due to the risk of malignancy.
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