Define endochondral ossification. endochondral ossification synonyms, endochondral ossification pronunciation, endochondral ossification translation, English dictionary definition of endochondral ossification. n. 1. The natural process of bone formation.
A chest CT showed no lung metastases, and a bone scan displayed only activity in the right pelvic gluteal region. Core biopsy of mass revealed high grade sarcoma with cartilaginous differentiation suggestive of chondroblastic osteosarcoma. The sample consisted of pleomorphic spindle cells in a fibrous...