[Indication for and technic in arthroscopic retinaculum division].

We reviewed 57 arthroscopic lateral release of the knee-joint during the period from January 1985 to December 1988. A high percentage of chondropathies affecting the patella and the patellofemoral joint was the mainly indication to this surgical operation. Included in the above mentioned cases were 8 traumatic patella luxations. Therefore, the necessity of strict indication and adequate postoperative therapy is emphasized.