書誌事項
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- A case of extragastric leiomyoblastoma with peduncle.
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A 65-year-old female with leiomyoblastoma of the stomach was admitted to our hospital. An operation was performed in September 1988 under the diagnosis of a submucosal tumor of the stomach. At laparotomy a pedunculated extragastric tumor was noted on the superior-anterior wall of the gastric body. A quickfrozen section revealed gastric leiomyoblastoma and a partial gastrectomy was peformed. There was no evidence of metastasis nor direct invasion to the neighboring organs. The surface of the excised tumor was uneven and the tumor measured 3.5×2.5cm in diamiter. On cross section the tumor was shown to have cysts and solid portions which contained foci of hemorrhage and necrosis. Microscopically, hematoxylin-eosin-stained sections the tumor was found to be composed of rounded or polygonal cells with abundant eosinophilic cytoplasma and round an centrally located nuclei. Individual or a few tumor cells demonstrating an alveolar pattern in silver-stained sections suggested a non-epithelial origin. Electron microscopy reveals myofilaments and dense patches in a few tumor cells, indicating a smooth muscle origin. According to the review of 228 cases of gastric leiomyoblastoma which have been reported in Japan (1964-1987), no cases showed metastasis nor direct invasion to the neighboring organs if the tumor was smaller than 5 cm in diameter at the operation. The 10-year survival rate was 88.8% in 69 cases. Of those 69 cases, metastasis or direct invasion to the neighboring organs was found in 13 cases at the opeation. The 5-year and the 10-year suvival rate for the 13 cases were 71.3% and 45.5%, respectively.
収録刊行物
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- 日本消化器外科学会雑誌
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日本消化器外科学会雑誌 23 (1), 75-79, 1990
一般社団法人 日本消化器外科学会
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詳細情報 詳細情報について
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- CRID
- 1390001204913638912
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- NII論文ID
- 130004341727
- 110001310119
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- NII書誌ID
- AN00192066
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- ISSN
- 13489372
- 03869768
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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- CiNii Articles
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