Plain films form the basis for staging and treatment of Kienböck disease. Lichtman's modification of Stahl's classification is most widely used and divides the disease into 5 stages, as follows:
Stage I - Normal radiograph
Stage II - Increased radiodensity of lunate with possible decrease of lunate height on radial side only
Stage IIIa - Lunate collapse, no scaphoid rotation
Stage IIIb - Lunate collapse, fixed scaphoid rotation
Stage IV - Degenerative changes around the lunate
Dr.Sumer K Sethi, MD
Sr Consultant Radiologist ,VIMHANS and CEO-Teleradiology Providers
Editor-in-chief, The Internet Journal of Radiology
Director, DAMS (Delhi Academy of Medical Sciences)
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