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Case Reports
, 39 (1), 63-66

Lipoma of the Transverse Colon Covered by Tubulovillous Adenoma: A Rare Indication for Surgical Treatment

Case Reports

Lipoma of the Transverse Colon Covered by Tubulovillous Adenoma: A Rare Indication for Surgical Treatment

M Moschetta et al. G Chir.

Abstract

Lipomas of the digestive tract are rare benign tumours which, in most cases, are totally asymptomatic. Because of their localization within the intestinal wall, endoscopy may be completely negative so contrast-enhanced computed tomography (CT) is very important for detecting and typing these lesions. The case of a 49-year-old man with abdominal pain is presented. Colonoscopy and biopsy of a polypoid lesion on the right colonic flexure concluded for tubulovillous adenoma. The subsequent CT showed a polylobate lesion of 5 cm in diameter with predominant fat density causing luminal sub-stenosis. Histological examination of the surgical specimen confirmed the presence of a voluminous submucosal lipoma. CT allows to diagnose lipomas of the large bowel thanks to the density measurement (between -40 and -120 Hunsfield Units) with an accurate detection of the site and nature of lumen stenosis.

Conflict of interest statement

Conflicts of interest

The Authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Transverse (A) and coronal (B) CT scans showing a large submucosal colonic lipoma located within the transverse colon walls, with very low density, mucosal thickening and sub-stenosis of the colonic lumen (arrows).

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