A polypoid bone tumor covered by a cap of hyaline cartilage of varying thickness and showing a core of cancellous bone. No evidence of specific granulomas. No evidence of malignancy.
Distal left femur mass, suspected osteochondroma.
Soft tissue and bone fragments collectively measured 5 x 4 x 1.7 cm, totally embedded.
Distal left femur mass, Excision Biopsy: