# Unique Presentation of Adult Ileocecal Intussusception Unveiling a Rare Culprit: A Carcinoid Tumor

## TL;DR

A rare case of adult ileocecal intussusception caused by a carcinoid tumor is presented, highlighting the importance of identifying structural lead points in adults.

## Contribution

This case report highlights a rare cause of adult intussusception and emphasizes the need for thorough investigation beyond typical pediatric causes.

## Key findings

- Ileocecal intussusception in adults is rare and often caused by neoplasms.
- A carcinoid tumor in the ileum was identified as the lead point in this case.
- The patient did not exhibit classic carcinoid syndrome symptoms, complicating diagnosis.

## Abstract

Intussusception is a prominent contributor to bowel obstruction, marked by the invagination of a proximal bowel section into a distal segment. Ileocecal intussusception occurs when a portion of the terminal ileum folds into the cecum. In adults, intussusception is infrequent compared to pediatric cases, and represents a minority of bowel obstructions. Structural lead points are more commonly observed in adult intussusception compared to pediatric cases where risk factors include infection, Meckel’s diverticulum, and intestinal polyps. Obstructions in adults are usually a result of benign or malignant neoplasms. In this particular case, a carcinoid tumor originating in the ileum acted as the structural lead point for intussusception. The patient underwent exploratory laparotomy resulting in a right hemicolectomy. This patient did not present with the classic triad of symptoms associated with carcinoid syndrome. In response to this particular case, a laparoscopic right-sided hemicolectomy with lymph node dissection was performed.