Reason: evaluate lesion on left knee History: left knee lesion MENISCI AND LIGAMENTS: Cruciate ligaments and collateral ligaments are intact. Medial and lateral menisci are normal in morphology and signal characteristics. Quadriceps tendon and patellar tendon are intact.BONE AND MARROW: Osseous alignment is anatomic. The bone marrow signal is within normal limits. The patellofemoral and femorotibial articular cartilage appears appropriate for age.SYNOVIUM: No significant abnormality.MUSCULATURE: No significant abnormality.ADDITIONAL
Lesions with calcification and enhancement in the subcutaneous tissue adjacent to the patella. The appearance of this lesion is likely representing tumoral calcinosis. Other considerations include renal osteodystrophy (correlate with biochemical profile), heterotopic ossification, synovial osteochondromatosis, and mixed connective tissue disease.