PMC3336249_01
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.
CRIM.ID2011-935041.001.jpg
PMC3336249_01_CRIM.ID2011-935041.001.jpg
fig1
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.