[Benign and malignant chondromatosis of the joints. A contribution to the clinical aspects and histology of the disease].

The article reports on seven patients with a histologically established chondromatosis of the joints. The aetiology, diagnosis, pathologico-anatomic findings and treatment of this rare joint disease are discussed. The case history of a patient serves to illustrate how a benign chondromatosis can undergo malignant degeneration.