Imaging methods X-ray:multi-orientation;bilateral(knee) ■Computed tomography Magnetic resonance imaging ■Angiography ■Ultrasonography ■ Radionuclide imaging ■PET Imaging methods ◼ X-ray: multi-orientation; bilateral(knee) ◼ Computed tomography ◼ Magnetic resonance imaging ◼ Angiography ◼ Ultrasonography ◼ Radionuclide imaging ◼ PET