|
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 |
Lunate bone
Lunate fracture in acute trauma
Classification Home Page