Lewis M M, Bullough P G
Clin Orthop Relat Res. 1976 Nov-Dec(121):188-90.
An unusual case of chondroblastoma of the patella is presented in which the dominant feature was a hemorrhagic cyst. The chondroblastoma was located in a small gritty mass at one pole of the cyst, which could have easily been overlooked.
