chondroma

A benign neoplasm derived from mesodermal cells that form cartilage. [chondro- + G. -oma, tumor]

- extraskeletal c. a c. located in soft tissues, usually of the fingers, hands, and feet, not connected to underlying bone or periosteum.

- juxtacortical c. SYN: periosteal c..

- periosteal c. a c. that develops from periosteum or periosteal connective tissue. SYN: juxtacortical c..

* * *

chon·dro·ma kän-'drō-mə n, pl -mas also -ma·ta -mət-ə a benign tumor containing the structural elements of cartilage compare CHONDROSARCOMA

chon·dro·ma·tous (')kän-'dräm-ət-əs, -'drōm- adj

* * *

n.

a relatively common benign tumour of cartilage-forming cells, which may occur at the growing end of any bone but is found most commonly in the bones of the feet and hands. It may be a chance finding on X-ray, it may expand the bone, or it may be the site of a pathological fracture.

* * *

chon·dro·ma (kon-droґmə) pl. chondromas, chondroґmata [chondr- + -oma] a benign tumor or tumorlike growth of mature hyaline cartilage. It may remain centrally within the substance of a cartilage or bone (enchondroma) or may develop on the surface of a cartilage or bone (juxtacortical chondroma), and usually occurs in adolescents or young adults in the small bones of the hands or feet, the femur, the humerus, or the ribs.