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Ileal collision tumor associated with gastrointestinal bleeding: A case report and review of literature. | LitMetric

Ileal collision tumor associated with gastrointestinal bleeding: A case report and review of literature.

World J Gastrointest Surg

Department of Gastroenterology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen 518033, Guangdong Province, China.

Published: February 2024

AI Article Synopsis

  • A rare case of a collision tumor in the small intestine, involving a hamartomatous tumor and a lipoma, was reported in an 82-year-old woman with hemorrhagic shock.
  • Imaging suggested the mass was a lipoma, but a colonoscopy revealed it contained distinct parts—one diagnosed as a juvenile polyp and the other as a lipoma.
  • The case highlights unique features of gastrointestinal collision tumors and provides insights into their management, particularly for patients with complications due to age and comorbidities.

Article Abstract

Background: Collision tumors involving the small intestine, specifically the combination of a hamartomatous tumor and a lipoma, are extremely rare. To our knowledge, no previous case report has described a collision tumor composed of two benign tumors of different origins in the small intestine.

Case Summary: Here, we present the case of an 82-year-old woman who presented with hemorrhagic shock and was found to have a mass measuring approximately 50 mm × 32 mm × 30 mm in the terminal ileum. Based on computed tomography scan findings, the mass was initially suspected to be a lipoma. A subsequent colonoscopy revealed a pedunculated submucosal elevation consisting of two distinct parts with a visible demarcation line. A biopsy of the upper portion suggested a juvenile polyp (JP). Owing to the patient's advanced age, multiple comorbidities, and poor surgical tolerance, a modified endoscopic submucosal dissection was performed. Histopathological examination of the excised mucosal mass revealed a lipoma at the base and a JP at the top, demonstrating evidence of rupture and associated bleeding. The patient's overall health remained satisfactory, with no recurrence of hematochezia during the six-month follow-up period.

Conclusion: This case report provides new evidence for the understanding of gastrointestinal collision tumors, emphasizing their diverse clinical presentations and histopathological characteristics. It also offers diagnostic and therapeutic insights as well as an approach for managing benign collision tumors.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10921190PMC
http://dx.doi.org/10.4240/wjgs.v16.i2.628DOI Listing

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