T | Primary tumor |
---|---|
Tx | Primary tumor cannot be assessed |
T0 | No evidence of primary tumor |
Tis | Carcinoma in situ: invasion up to lamina propria mucosae |
T1 | Tumor invades submucosa |
T2 |
Kienbock's disease is an eponym for avascular necrosis of the lunate bone. It usually affects man working manually with tools like pneumatic hammer that cause repetitive trauma.
Stage | Description |
---|---|
Stage I | normal x-ray |
Stage II | sclerosis of lunate with possible decrease of lunate height on radial side only |
Stage IIIa | lunate collapse, no scaphoid rotation |
Stage IIIb |