Abstract
Two children, aged 14 yr, with multiple pheochromocytomas are presented. Both patients had a positive family history. In the preoperative aortographies the intra-adrenal pheochromocytomas of both patients were well visualized, but not the extra-adrenal tumors of the first case. Chlorpromazine as an adrenergic blocking agent was successfully used in the preoperative treatment. Postoperative catecholamine excretion in the first case was repeatedly slightly increased indicating residual pheochromocytoma. In addition to the bilateral adrenal pheochromocytomas, multiple islet cell adrenomas and cholecystolithiasis were revealed at the operation of the second case. After bilateral adrenalectomy and total pancreaticoduodenectomy, regular follow-up examinations were carried out for 28 months. Hyperparathyroidism and signs of possible medullary thryoid carcinoma were discovered. Thus the patient had an unique pattern of MEA syndrome.
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