Intracapsular and para- articular chondroma of knee: a report of four cases and review of the literature

Intracapsular and para-articular chondroma is a rare variant of the extraskeletal chondromas. It arises from the capsule and/or the para-articular connective tissue of the large joints (mostly the knee) and is a result of cartilaginous metaplasia. In course of time these tumors ossify and this is where their second name comes from: Para-articular osteochondromas. According to Jaffe, not dependent on the degree of ossification of this tumor, there is one single entity in question