| Leiomyosarcoma of Somatic Soft Tissue:
A Case Report |
| Kyung ji Lee1, An hi Lee1, Jea na Kim1, Hyoung min Kim2, Kyo Young Lee2 |
1Departments of Hospital Pathology, The Catholic University of Korea, College of Medicine
2Departments of Orthopedic Surgery, The Catholic University of Korea, College of Medicine |
| 체성 연부 조직에 생긴 평활근육종: 1예 보고 |
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이경지1, 이안희1, 김진아1, 김형민2, 이교영2 |
1가톨릭대학교 의과대학 병원병리학교실
2가톨릭대학교 의과대학 정형외과학교실 |
| Corresponding Author:
Jea na Kim ,Tel: +82-32-340-7091, Fax: +82-32-340-2219, Email: Jeanakim@catholic.ac.kr |
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Received: November 15, 2009; Accepted: December 12, 2009. |
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| ABSTRACT |
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Leiomyosarcoma of somatic soft tissue is a rare tumor compared with retroperitoneal lesion. We report a case of a
leiomyosarcoma of the somatic soft tissue in a 66-year-old man. He presented as an enlarging mass in the left thigh for
eight months. Radiologic examinations revealed a well defined round mass, suspicious of benign tumor, such as
hemangioma or leiomyoma. He underwent surgical resection. The mass was 3.0 cm in diameter, and it was confined
within adductor longus muscle without any connection to adjacent neurovascular bundles. Histologic examination showed
moderately cellularity and focal marked atypia with a fascicular growth pattern of spindle cells showing blunt ended
nuclei. In addition, the proliferation index was 2~3% by immunohistochemistry using monoclonal antibody MIB-1. But only
one definite microscopic mitotic feature was found. Although it showed low mitotic activity without necrosis, this case was
diagnosed leiomyosarcoma according to marked cellular atypism. |
| Keywords:
Soft tissue | Leiomyosarcoma |
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