NEUROPATHIC ARTHROPATHY (CHARCOT JOINT)
Charcot joint refers to joint damage
secondary to impaired joint innervation (neu-ropathy), leading to an inability
to sense pain. The damage also leads to destruction of joint surfaces, debris
in joints, deformity, and dislocations.
Different underlying neurologic diseases tend to
affect different joints.
•
Diabetes mellitus (most common cause) tends to damage the
tarsometatarsal joint in the midfoot.
•
Syringomyelia (cavity in spinal cord) tends to damage the shoulder,
elbow, and wrist joints.
•
Tabes dorsalis (neurosyphilis) tends to damage the hip, knee, and
ankle joints
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