USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 65-year-old man comes to the urgent care clinic with his wife who describes dramatic changes in the personality of her husband over the past two years. Specifically, she mentions that he has become increasingly aggressive, hypersexual, and easily agitated. As part of the initial workup, a non-contrast head CT is ordered which shows focal, severe atrophy most predominantly affecting the frontal and temporal lobes. The clinical and imaging findings most likely represent which of the following diagnosis?