Fig. 6From: Anterior Knee Pain: State of the ArtLeft knee; MRI axial view; gross full-thickness erosion of the articular cartilage of the patellar ridge, with subchondral bone distress of an area of the patellar body characterized by edema with a small dystrophic cystic area. The picture overlaps with femoro-patellar dysplasia of the shallow femoral trochleaBack to article page