BACKGROUND: Pheochromocytomas are catecholamine producing tumors that 
classically present with the triad of sweating, palpitations and headache.
CASE CHARACTERISTICS: 9-year-old boy whose only presenting complaints were 
polyuria and polydipsia for 2 years.
OBSERVATION: Routine measurement of blood pressure detected mild hypertension, 
and subsequent investigations revealed bilateral pheochromocytoma.
OUTCOME: Surgical removal of the tumors resulted in complete resolution of 
polyuria and polydipsia.
MESSAGE: The case highlights the importance of measuring BP for children as part 
of physical examination.