Small intestine & ampulla
Benign tumors / tumor-like conditions
Lipoma
Author: Hanni Gulwani, M.B.B.S.
Last author update: 1 August 2012
Last staff update: 5 October 2022
Copyright: 2003-2024, PathologyOutlines.com, Inc.
PubMed Search: Lipoma
Table of Contents
Definition / general | Case reports | Gross description | Gross images | Microscopic (histologic) images | Differential diagnosisCite this page: Gulwani H. Lipoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/smallbowellipoma.html. Accessed April 25th, 2024.
Definition / general
- Rare, usually submucosal
- May cause ulceration or intussusception
- Lipohyperplasia often found near ileocecal valve
Case reports
- 45 year old man with ileocecal intussusception due to lipoma (N Engl J Med 2009;361:e55)
- 52 year old woman with pedunculated lesion of terminal ileum (J Med Case Rep 2010;4:51)
- 77 year old man with ileocecal valve lipoma (JSLS 2009;13:80)
Gross description
- Bright yellow, round, encapsulated
- Bulges into lumen, 5% multiple
- May have hemorrhage or necrosis
Gross images
Contributed by @Andrew_Fltv on Twitter
Lipoma
Images hosted on other servers:
Large pedunculated polypoid lipoma
Microscopic (histologic) images
Contributed by @Andrew_Fltv on Twitter
Lipoma
Lipoma
Images hosted on other servers:
Circumscribed collection of mature adipocytes
Differential diagnosis
- Lipomatosis: bowel infiltrated by mature fat
