A patient has the ability to stand with open eyes but falls with closed eyes. A lesion of which pathway is likely responsible for this symptom?: (A) Anterior spinocerebellar tract, (B) Anterior spinothalamic tract, (C) Lateral spinothalamic tract, (D) Posterior column syndrome
Answer is D. Posterior column syndrome(lesion in dorsal coloumn of spinal cord) results in a sensory deficit known as sensory dystaxia or Romberg sign. Romberg +ve when pt. are able to stand with the eyes open but fall with the eyes closed.