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Capillary hemangioma arising from the lesser omentum in an adult: A case report.

Abstract：

RATIONALE:Although capillary hemangiomas, common lesions involving the proliferation of small capillary vessels and a single layer of endothelial cells, can arise in any organ, they are rarely reported in the greater or lesser omentum. Here in, we report a case of capillary hemangioma arising from the lesser omentum in an adult with interesting diagnostic imaging findings, including changes in tumor size over time on computed tomography (CT), that was resected using laparoscopic surgery. To our knowledge, this is the first English report to describe a capillary hemangioma arising from the lesser omentum. PATIENT CONCERNS:A 63-year-old Japanese man received hemodialysis for chronic renal failure due to diabetic nephropathy, and a small, gradually enlarging tissue mass was found near the lesser curvature of the stomach on plain CT performed annually, without any associated complaints. Diagnostic imaging revealed an 18 × 15-mm tumor with a homogenous, highly enhanced effect in the early phase that was attenuated but prolonged in the delayed phase. Magnetic resonance imaging showed a mass with low signal intensity on T1-weighted imaging and relatively high signal intensity on T2-weighted imaging. DIAGNOSIS:The patient was diagnosed with capillary hemangioma arising from the lesser omentum according to the pathological and immunohistological findings. INTERVENTIONS:The patient underwent laparoscopy for excision of the tumor from the lesser omentum. OUTCOMES:At the 1 year follow-up, the patient had no recurrence of the tumor. LESSONS:We describe the first case worldwide of capillary hemangioma that was a true vascular tumor arising from the lesser omentum. Although capillary hemangioma arising from the lesser omentum is extremely rare, it should be considered in the differential diagnosis of patients presenting with a highly enhanced lesser omental tumor, and laparoscopy can be safely applied for the excision of this tumor.

journal_name

Medicine (Baltimore)

journal_title

Medicine

authors

Nagano H,Goi T,Taguchi S,Tsubaki T,Tsuchiyama T,Uematsu H,Noriki S

doi

10.1097/MD.0000000000018693

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

e18693

issue

4

eissn

0025-7974

issn

1536-5964

pii

00005792-202001240-00019

journal_volume

99

pub_type

杂志文章

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