Kienbock's Disease

Kienbock's disease, extended Lichtman classification
I	Xrays normal	except for possible lunate fracture bone scan abnormal
II	Changes in lunate density	Tomograms: +/- may show lunate fracture +/- flattening +/- minimal radial side collapse
III	Lunate collapse, fragmentation, displacement	IIIA	Normal scaphoid palmar flexion
		IIIB	Palmar flexion of the scaphoid
IV	All stage III changes + generalized arthritis

Kienbock's Fracture Pattern

Transverse shear

Longitudinal biplanar

Comminuted collapse

Simplified staging scheme

Lunate bone
Lunate fracture in acute trauma
Classification Home Page

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Links to this page: Classification Home page | Kienbocks Disease Home Page | Kienbocks disease staging | Lunate Fracture |