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34 yr old lady presented with weakness in her legs. she is experiencing this weakness for last 1 month. she also explains to have difficulty in chewing food & articulating words in speech. On examination the both lower limb power in 3/5. Jerks in lower limbs are hardly appreciable. Planter response is bilateral downgoing. Senses in lower limbs are not altered. She cant blow a whistle & tongue looks weak & atrophied. Which of the following investigations will be diagnostic for her?
A. MRI spine
B.CSF protein electrophoresis
C. MRI Brain
D. Electromyography
E. Muscle biopsy
Please explain your ans.
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Pt has motor neuron disease, sensory is intact.
Amytrophic lateral sclerosis can present with both upper and lower motor neurone ds. But here there is no upper motor lesion. I have found that it can happen. Agree?
So, D.
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agree..thats y i select D..lets see right ans..
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CORRECT ANS : D
MOTOR NEURONE DISEASE CAN PRESENT WITH ONLY LMN SIGNS
AML CAN PRESENT WITH LMN ONLY SIGNS & PROGRESSIVE SPINAL MUSCLE ATROPHY IS ALSO KNOWN FOR PURE LMN SIGNS.
ONLY UMN MOTOR NEURONE DISEASE: PRIMARY LATERAL SCLEROSIS
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Thanks Bumba for Good challenging mcqs.
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CORRECTION *** AML SHUD BE READ AS ALS ( AMYOTROPHIC LATERAL SCLEROSIS)
