Question Date: 18/06/2023
Question: A middle aged lady developed fever, headache and drowsiness fr 2 days followed by weakness of all 4 limbs. Weakness was proximal as well as distal, with hyporeflexia and sensations were normal<br><br>CSF showed proteins 79 mg% with 22 cells. Nerve conduction study showed normal sensory conductions and reduced motor amplitudes<br><br>What is likely cause of it?
Options:
Correct Answer: West Nile virus
Explaination: The clinical phenotype is that of acute flaccid paralysis due to anterior horn cell involvement in a setting of encephalitic illness<br><br>World-wide most common virus<br><br>causing AHC involvement is West Nile virus<br><br>Other viruses include polio, enterovirus 71, Japanese encephalitis virus, rabies etc.
Reference: CONTINUUM (MINNEAP MINN) 2021;27(4, NEUROINFECTIOUS DISEASE):921?942.