Transumbilical single-site laparoscopic treatment of ileal adenomyoma causing intussusception in child: a rare case report

Abstract Background Adenomyoma of the digestive tract is a relatively rare benign tumor that predominantly occurs in the stomach and duodenum, with occurrences in the small intestine being exceedingly uncommon. Adenomyomas of the small intestine can lead to complications such as intussusception, intestinal obstruction, and melena or may present without any apparent symptoms. These tumors are particularly rare in pediatric patients. Herein, we report an unusual case of intussusception caused by an ileal adenomyoma in a child. Case presentation A 4-year-old male was admitted to the hospital with abdominal pain and vomiting for 7 h. After coming to our hospital, the patient underwent an abdominal ultrasound examination, which revealed a 10.5 cm × 3.1 cm mass on the left side of the abdomen, with a “target ring”-like sign in its cross-section, and was initially diagnosed with small bowel intussusception. After single-site laparoscopic exploration through the umbilical incision was performed and the small intestine was repositioned via manipulation, a mass measuring approximately 1.5 cm × 1.0 cm × 0.8 cm in size was detected in the lumen of the ileum, and a resection of the ileal mass was carried out, and an ileal adenomyoma was diagnosed via pathology. Conclusions Intussusception, a condition that is both rare and challenging to diagnose preoperatively, is the most common clinical manifestation of small intestine adenomyoma in children. Upon diagnosis, surgical resection remains the optimal treatment option. Transumbilical single-site laparoscopic surgery for treating small intestine adenomyoma complicated with intussusception has been demonstrated to be safe and feasible, making it a promising approach worthy of broader clinical application.