Korean J Gastroenterol.  2008 Nov;52(5):310-314.

A Case of Gastric Glomus Tumor

Affiliations
  • 1Department of Internal Medicine, Daegu Fatima Hospital, Daegu, Korea. endoscope@medimail.co.kr

Abstract

Glomus tumor is a tumor arising from glomus body, a nodular form of arteriolovenular anastomosis that functions to regulate blood flow according to temperature. Gastrointestinal glomus tumors are rare and most frequently occur in the stomach as a subepithelial tumor. A 46-year-old woman presented with an incidental finding of a subepithelial tumor in the stomach. Endoscopic ultrasonography (EUS) showed a 1.4x1 cm sized well circumscribed heterogeneous hypoechoic tumor with a few tubular structures in the fourth sonographic layer of the gastric wall. Characteristically, more hypoechoic halo equal to the echogenecity of proper muscle layer enclosed the tumor. Contrast enhanced abdominal computerized tomography (CT) revealed high enhancement of tumor up to the same level of portal vein in arterial phase and this enhancement persisted to portal phase. For histolgogic confirmation and treatment, endoscopic enucleation was attempted but failed due to fibrotic adhesion with the surrounding tissue. Histologic findings of biopsy specimen were compatible with glomus tumor. Although it is difficult to diagnose glomus tumor preoperatively, these characteristic findings in EUS and CT seem to be useful in distinguishing glomus tumor from other tumors arising from the fourth sonographic layer of gastric wall.

Keyword

Glomus tumor; Subepithelial tumor; Stomach; Endoscopic ultrasonography

MeSH Terms

Female
Glomus Tumor/*diagnosis/pathology/ultrasonography
Humans
Middle Aged
Stomach Neoplasms/*diagnosis/pathology/ultrasonography
Tomography, X-Ray Computed
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