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Adult rectosigmoid junction intussusception presenting with rectal prolapse
Jing Zeng Du1, Li Tserng Teo1, Ming Terk Chiu1
1Department of General Surgery, Tan Tock Seng Hospital, Singapore.
Singapore Medical Journal
|June 3, 2015
Summary
Adult intussusception, often subtle, can mimic rectal prolapse. This case highlights sigmoid intussusception as a cause, emphasizing its consideration in immobile patients with lesions.
Area of Science:
- Gastroenterology
- Colorectal Surgery
- Surgical Pathology
Background:
- Adult intussusception is uncommon and frequently presents with vague, chronic symptoms, posing diagnostic challenges.
- Colonic intussusception in adults is rare, with typical presentations differing from pediatric cases.
Observation:
- A 75-year-old female with dementia presented with rectal bleeding, rectal prolapse, and lower abdominal pain.
- Intraoperative findings revealed a large sigmoid intussusception with a polyp serving as the leading point.
Findings:
- The patient underwent successful surgical intervention for the sigmoid intussusception.
- Sigmoid intussusception can manifest as rectal prolapse, particularly in elderly or immobile individuals.
Implications:
- Intussusception should be included in the differential diagnosis for rectal prolapse, especially in patients with immobility or suspected intraluminal lesions.
- Accurate diagnosis of adult intussusception requires a high index of suspicion and thorough evaluation, considering rare presentations like rectal prolapse.
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