A patient with inclusion body myopathy presents with distal weakness. Which diagnostic procedure is confirmatory?

A patient with inclusion body myopathy presents with distal weakness. Which diagnostic procedure is confirmatory?

  • Correct Answer: Muscle biopsy
  • Repetitive nerve stimulation
  • Electromyography (EMG)
  • Single-fiber EMG

Explanation: Muscle biopsy showing rimmed vacuoles confirms inclusion body myopathy.

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