[Pathological study of Kienboeck's disease].

Besides from diagnosed and undiagnosed fractures of the lunate, one should mainly remember in the pathogenesis of Kienböck disease anatomic propersities and particularly ulnar shortness and relation-ship between the radius and the lunate. These disorders cause an excessive stress on the lunate, producing osteomalacia. Our study of 133 wrists specifies the causative factors.