간엽성 연골육종 - 3례 보고 -

Mesenchymal Chondrosarcoma - 3 Cases Report -

저자들은 영남대학교 의과대학 부속병원에서 간엽성 연골육종으로 진단받은 3례를 대상으로 임상 병리학적 특징을 분석하여 다음과 같은 결과를 얻었다. 환장의 연령은 25세에서 32세였고 평균연령은 28세였다. 종양의 평균 크기는 7.3cm였다. 조직학적으로 종괴는 이형성의 소세포로 구성된 고밀도의 부분과 분화가 좋은 초자양의 연골 조직이 섞여 있었다. 3례에서 종양 세포들은 S-100단백과 NSE에 양성이었고 desmin에 모두 음성이었다.

Mesenchymal chondrosarcoma is a rare malignant tumor of skeletal and extraskeletal origin, and which shows aggressive local behavior as well as a high metastatic potential. We report 3 cases of mesenchymal chondrosarcoma. Two cases were male and one was female. Their ages ranged from 25 to 32 years(mean: 28 years). Tissue was obtained by wide excision in two patients. and by incisional biopsy in one. The mass was located in the rib(case 1), orbital floor(case 2), and abdominal wall(case 3). Roentgenographically, the tumor resembles ordinary chondrosarcoma, showing osteolytic and obstructive appearance with stippled calcification. Grossly, the tumor was lobulating, solid fish-fleshy like mass with calcification and ossification. Histologically, the tumor shows characteristic bimorphic pattern composed of islands of well differentiated hyaline cartilage admixed with a cellular area of undifferentiated small cells. The small cells usually displayed a hemangiopericytoid or an alveolar pattern.