AN INTERESTING CASE OF QUADRIPARESIS IN THE YOUNG

We present here an interesting case of motor neuron disease, pure lower motor neuron type, spinal muscular atrophy in a 21year male who presented with weakness of all 4 limbs since 1 year of age. patient had progressive wasting and weakness with fasciculation of muscles. on examination higher mental function was normal. there was no cranial nerve, sensory, cerebellar, autonomic involvement. all blood investigation is within normal limits. mri brain was normal. ncs, emg, muscle biopsy done.