61-year-old male with mass medial to the left knee with extreme pain medially to light touch. MENISCI: We see no findings to suggest an unstable meniscal tear.ARTICULAR CARTILAGE AND BONE: There is full-thickness cartilage loss along the median eminence and medial facet of the patella with subchondral cysts and edema-like signal in the underlying bone.LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: The quadriceps and patellar tendon are intact.ADDITIONAL
Small nodular, enhancing mass in the subcutaneous fat medial to the proximal tibia is nonspecific, although we have seen glomus tumors of the knee present in a similar fashion; referral to orthopedic oncology is recommended.