Neuropathology, Set 2

For each of the following patients, select the most likely pathologic finding:

1. Following an episode of pharyngitis for less than a day, a 20-year-old woman develops a headache and then becomes obtunded over a 24 hour period. She has fever; papilledema is noted on funduscopic examination:

2. A 46-year-old man with a history of untreated hypertension suddenly becomes unable to move his right arm and leg:

3. An ill-defined 3 cm enhancing mass on MR imaging is present in the right frontal lobe of a 52-year-old man who had headaches for the past two months. A stereotaxic biopsy reveals cells from the mass that mark with glial fibrillary acidic protein (GFAP):

4. A 25-year-old woman has a headache worsening over the past three days. She then becomes confused and incoherent. A head CT scan reveals right temporal lobe hemorrhagic lesions:

5. Vasospasm requires cerebral angiography to dilate arteries at the base of the brain in a 30-year-old woman:

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