V. Syringomyelia
Syringomyelia (may affect individuals at any age)
Clinically, the patient often presents with loss of pain and temperature symmetrically in the hands as well as wasting of the hand muscles. This is due to encroachment of the cystic cavity in the cord on the anterior commissure which carries pain fibers and the anterior horns which contain the motor neurons which innervate the hand.
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