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NBME 22 Answers

nbme22/Block 3/Question#50

A 56-year-old woman is brought to the emergency ...

Herpes encephalitis

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submitted by imnotarobotbut(27),

Although there are no specific herpes indicators, a CSF panel with mostly leukocytes indicates a viral infection (as well as the normal glucose). So you can rule out TB, neurosarcoidosis and bacterial. Brudzinski/kernig sign are related to meningitis, but even if you don't know what those are, the question says that there is an abnormality in the TEMPORAL lobe (meningitis = meninges). Encephalitis would be the best answer, especially because Herpes Encephalitis affects the temporal lobe.