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KMID : 0357920010350020180
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Korean Journal of Pathology
2001 Volume.35 No. 2 p.180 ~ p.183
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Metastatic Alveolar Soft Part Sarcoma Presented with a Dura Mass - A Case Report -
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Kwon Sun-Young
Joo Hyun-Chang
Kwon Kun-Young
Lee Sang-Sook
Sohn Chul-Ho
Yim Man-Bin
Kim Sang-Pyo
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Abstract
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Alveolar soft part sarcoma, accounting for less than 1% of all soft tissue sarcomas, is known for late metastases to the lung, bone and brain. We have examined a case of metastatic alveolar soft part sarcoma to the brain in a 34-year-old woman. Computed tomography of the brain revealed a well enhancing dura based mass of the left temporal area. The patient had a previous history of surgery for alveolar soft part sarcoma from the right thigh at the age of 24 years. She underwent total removal of the dural mass under the clinical impression of the meningioma. Grossly, a well-circumscribed, pale tan and solid mass was 3.4×3.2×2.4 cm and easily detached from the attached dura. Histologically, the tumor showed typical features of alveolar soft part sarcoma. Immunohistochemically, tumor cells were positive for muscle related antibodies. Ultrastructural examination showed rod-shaped membrane bound crystals and electron-dense granules in the cytoplasm of tumor cells.
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KEYWORD
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Sarcoma, Alveolar soft part, Neoplasm metastasis, Dura mater
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