124.) It was noted at that time that there were multiple large free floating segments of patellar articular cartilage which were deemed non-salvageable and removed and placed on the back table. Due to this there was noted to be incongruity in the articular surface of the patella. Also noted was some chondral defects in the trochlea of the distal femur. All non viable tissue was dibrided using sharp and blunt techniques.