Pathology
- Progressive destruction of a joint due to disturbed sensory innervation of the joint
- Peripheral: DM neuropathy, peripheral nerve injury, leprosy
- Central: syringomyelia, tabes dorsalis
- Result is painless deformed joint resulting from repeated minor trauma
Approach
- Expose joint adequately
- Look
- Swelling of affected joint
- Contours of skin
- Feel
- Non-tende
- Crepitus
- Subluxation / dislocation of joint
- Move
- Hypermobility
Completion
- Perform neurological examination
- Dip urine (for glucose DM)