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Diffusely decreased signal intensity is present within the lunate bone on the T1W images and heterogeneously increased signal on T2W images (Stage II Kienbock disease). There is slight loss of lunate height as well, predominantly on its radial side. No scapholunate dissociation.
Negative ulnar variance with compensatory thickening of the triangular fibrocartilage is also present.
Small wrist joint effusion is noted.
Unremarkable flexor and extensor tendons.