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Case Reports
. 2011 Mar;17(1):66-70.
doi: 10.3350/kjhep.2011.17.1.66.

A case of pedunculated hepatic hemangioma mimicking submucosal tumor of the stomach

Han Kook Moon  1 , Hyoung Su Kim, Gyeong Mi Heo, Woon Geon Shin, Kyung Ho Kim, Myoung Kuk Jang, Jin Heon Lee, Hak Yang Kim, Doo Jin Kim, Seong Jin Cho
Affiliations
Case Reports

A case of pedunculated hepatic hemangioma mimicking submucosal tumor of the stomach

Han Kook Moon et al. Korean J Hepatol. 2011 Mar.

Abstract

Hepatic hemangioma is the most common benign tumor of the liver. Most such hemangiomas are small, asymptomatic, and have an excellent prognosis. Giant hepatic hemangioma has been reported in the literature, but the exophytic and pedunculated forms of hepatic hemangioma are rare. A 56-year-old woman was referred to our hospital under the suspicion of having a gastric submucosal tumor. Abdominal computer tomography (CT) scans showed a pedunculated mass from the left lateral segment of the liver into the gastric fundus, exhibiting the atypical CT findings of hepatic hemangioma. We therefore decided to perform laparoscopic resection based on the symptoms, relatively large diameter, inability to exclude malignancy, and risk of rupture of the exophytic lesion. The pathology indicated it to be a cavernous hemangioma of the liver. Herein we report a case of pedunculated hepatic hemangioma mimicking a submucosal tumor of the stomach due to extrinsic compression of the gastric fundus.

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Figures

Figure 1
Figure 1
UGI findings showed an intraluminal protruding mass (arrows) of about 4.5 cm at the fundus, covered with normal gastric mucosa.
Figure 2
Figure 2
CT scans revealed two hemangiomas; one was in segment 7 and the other was a pedunculated mass of the left lobe that showed inhomogeneous enhancement on the delayed phase (A, precontrast; B, arterial phase; C, delayed phase). It was connected to the left lateral segment of the liver by a thin neck and it compressed the gastric fundus (D-F).
Figure 3
Figure 3
The external surface was bulging slightly (A), and a cut section showed a dark-red spongy-like soft mass beneath the capsule (B).
Figure 4
Figure 4
Microscopic examinations showed large vascular channels of various sizes (A: H&E stain, ×100) that were lined with single-layer flattened endothelial cells and separated and supported by the fibrous septa (B: H&E stain, ×400).
See this image and copyright information in PMC

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