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Glomus Tumor of the Stomach: Light and electron microscopic study with literature review of the cases reported in Japan K. Yoneyama 1 , H. Ishikawa 1 1Department of Surgery, Isehara Kyoodo Hospital pp.837-841
Published Date 1981/8/25
DOI https://doi.org/10.11477/mf.1403108135
  • Abstract
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 Glaomus tumor of the stomach is rarely seen. According to our investigation of the literature on this subject both abroad and at home, only 40 cases in the foreign countries and 22 cases in Japan, have ever been reported up to the present.

 In this paper is described a case of glomus tumor of the stomach which caused massive bleeding. The patient is a 27 years old woman, who was admitted to hospital because of massive hematemesis and melena. After gastrofluoroscopy, endoscopy and histopathological examination, she was diagnosed to have a submucosal tumor of the stomach with a pit and she underwent the operation.

 In the prepyloric submucosal region, there was a 4×3×3cm-sized, well circumscribed tumor in the muscle layer. The histopathological study of the neoplasm disclosed that it consisted of irregular, swollen blood vessel lumens and many glomus cells.

 Silver-stained specimens showed that these cells were positive for argyrophil fibrile but negative for argentaffin granule by Grimelius' staining method. Ultrastructural study of the specimen revealed that there were two types of tumor cells, i.e. smooth muscle and possible pericytes. From the literature review of ultrastructure of glomus tumors, hemangiopericytomas, leiomyoblastomas and leiomyomas, glomus tumor appeared to exist as an intermediate form between hemangiopericytoma and leiomyomas which were considered to be in a broad spectrum of smooth muscle tumors.

 In this country 22 cases of glomus tumor of the stomach were reported. We attempted in this report to grasp its gross clinical characteristics of these 22 cases.

 Differential diagnosis should include submucosal tumors of the stomach, especially both carcinoid tumor and hemangiopericytoma, for they can often metastasize to other regions.

 It is generally believed the glomus tumor is benign, but since glomus tumors sometimes show pseudoinfiltration and recurrence, which possibly may occur in case of local extirpation, wide resection seems desirable.


Copyright © 1981, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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