Kienbock disease

Case contributed by Ahmed Abdrabou
Diagnosis certain


Wrist pain and limited movement

Patient Data

Age: 30 years
Gender: Male

The lunate bone is collapsed and displays low signal intensity in all pulse sequences. Few cystic changes (degenerative) could be seen at the periphery of the lunate in SPIR. A ganglion cyst is seen related to the volar aspect of the ulnar side of the wrist superficial to the pronator quadratus mucsle. Mild joint effusion is noted. There is Intact traingular fibrocartilage.

Case Discussion

Avascular necrosis of the lunate bone (Kienbock disease).

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