case_images: PMC3336249_01
case_images: MRI of right knee demonstrating flattening and irregularity of the articular surface with small cyst formation and alteration of the marrow signal, which suggests osteonecrosis.
case_images: CRIM.ID2011-935041.001.jpg
case_images: PMC3336249_01_CRIM.ID2011-935041.001.jpg
case_images: fig1
case_images: Nearly one year later, MRI showed osteonecrosis and a medial meniscal tear of the right knee (see Figure 1), and the patient was referred to an orthopedic surgeon to explore surgical options.