Which of the following regions of the spinal cord is involved first in Friedreich's Ataxia:: (A) Dorsal Root ganglion, (B) Spinal tracts, (C) Peripheral nerve, (D) Cerebellum
Answer is A. Answer is A (Dorsal Root Ganglion): The first pathological changes in Friedreich's ataxia are thought to occur in the dorsal root ganglia with loss of large sensory neurons Ref: Clinical Neurology by Goetz.