Snapshot pheo A 40-year-old gentleman presents with episodic headaches and palpitations. Attributing it to his tendency to worry excessively, he put it off for several months until he began to sweat episodically too. In the clinic, his blood pressure is found to be elevated at 160/120 mmHg. Plasma metanephrines are elevated and an abdominal CT scan reveals an adrenal mass. Introduction Nonmalignant tumor of adrenal medulla login to view 3 more bullets Pathogenesis login to view 1 more bullet Epidemiology login to view 1 more bullet Rule of 10’s login to view 6 more bullets Associated conditions login to view 4 more bullets Presentation Symptoms are episodic login to view 6 more bullets Physical exam login to view 1 more bullet Evaluation Serology login to view 1 more bullet 24-hour urine collection for diagnostic confirmation login to view 2 more bullets Histology login to view 1 more bullet Differential Diagnosis Hyperthyroidism Carcinoid tumors Panic disorder Therapy resistant hypertension from obstructive sleep apnea Treatment In this sequence of events login to view 3 more bullets Prognosis, Prevention, and Complications Prognosis login to view 1 more bullet Complications login to view 2 more bullets