Avascular necrosis of lunate

Case contributed by Subhan Iqbal
Diagnosis almost certain

Presentation

History of trauma, few years back now presented with wrist pain.

Patient Data

Age: 60 years
Gender: Male
x-ray

Irregularity, collapse, and sclerosis of the lunate bone indicate Kienbock disease. There is substantial ulnar negative disagreement.

Case Discussion

Imaging features of Kienbock disease on plain film include sclerosis and flattening of the lunate. When flattening is marked there is rotation of the scaphoid which further adds to the stress on the lunate. Fragmentation of the lunate and secondary degenerative disease develops.

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