Cardiovascular complications in a child with chronic renal failure.

This is the report of an 11-year-old boy with chronic renal disease and secondary hyperparathyroidism. The child had been on dialysis, calcitriol, calcium carbonate, and presented dyslipidemia and calcified thrombi in various vessels and organs in the course of his condition. Pathological examination showed ischemic cerebral necrosis, calcification in coronary arteries, and myocardial infarction.

[Pheochromocytoma in childhood].

Pheochromocytoma is a neoplasia of chromaffin cells that is very rare in children. Its signs and symptoms result from the release of catecholamines. We report the case of a child with pheochromocytoma of difficult clinical management, confirmed on the anatomicopathological study, and cured after surgical resection.