후종격동에 발생한 골격 외 골육종 - 1예 보고 -
Extraskeletal Osteosarcoma of the Posterior Mediastinum - A Case Report -
한원철, 문형배, 노재윤, 조향정, 이재규,
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한원철 ( Han Won-Cheol )
원광대학교 의과대학 병리학교실
문형배 ( Moon Hyung-Bae )
원광대학교 의과대학 병리학교실
노재윤 ( No Jae-Youn )
울산대학교 의과대학 서울아산병원 병리학교실
조향정 ( Jo Hyang-Jeong )
원광대학교 의과대학 병리학교실
이재규 ( Lee Jai-Kyoo )
원광대학교 의과대학 병리학교실
KMID : 0357920040380050350
Abstract
Extraskeletal osteosarcoma is a rare malignant tumor of soft tissue. In addition, there are only several cases of osteosarcoma of the mediastinum as a primary site in the world. We report a case of extraskeletal osteosarcoma arising in the posterior mediastinum. A 54-year-old man visited our hospital because of chest pain. Chest CT showed a 12 cm sized huge mediastinal mass. The mass revealed solid and ivory-colored cut surface with multifocally ovoid cystic spaces and hemorrhage. Microscopically, the tumor consisted of polygonal stromal cells, giant cells and varying amounts of neoplastic new bone, and mitotic figures were frequently observed. There were no distant metastasis and regional lymph node involvement.
키워드
Extraskeletal Osteosarcoma;Mediastinum
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