Review Question - QID 213743

A 5-year-old boy presents to clinic with his mother for evaluation of his genitalia. His mother states that his genitalia have appeared larger than usual as compared to his older brothers. She has also noted some aggression in his behavior for the last 6 months. The boy's neonatal history is unremarkable. On examination, the patient's temperature is 98.3°F (36.8°C), blood pressure is 140/92 mmHg on repeated measurements, pulse is 90/min, and respirations are 18/min. The physical exam is notable for an increased penile length relative to his age and excessive pubic hair. Blood and urine diagnostic workup are pending. What is the most likely diagnosis?