Lateralizing sensorimotor deficits in a case of pseudopheochromocytoma.

Pseudopheochromocytoma is a poorly understood, rare cause of severe paroxysmal hypertension that mimics the symptomatology of pheochromocytoma in the absence of biochemical evidence of this tumor. Symptoms such as headache, nausea, sweating, and palpitations during hypertensive episodes have been described. In this paper, we describe previously unreported findings of lateralizing sensorimotor deficits in a patient with pseudopheochromocytoma. These changes presented during a hypertensive episode and were concerning for stroke but were not accompanied by acute radiologic abnormalities. The deficits improved over 1.5 weeks as blood pressure stabilized with beta-blockade. We also review relevant literature on the clinical features, pathophysiology, and management of pseudopheochromocytoma.