noun
Kienböck's disease; avascular necrosis of the lunate
A medical condition involving death of bone tissue in the lunate bone of the wrist due to poor blood supply.
キーンベック病は手首の月状骨が壊死する病気です。
Kienböck's disease is a condition where the lunate bone in the wrist undergoes necrosis.
Named after the Austrian radiologist Robert Kienböck, who first described the condition in 1910. The Japanese term directly borrows the eponym with the suffix 病 (disease).