[Pheochromocytomas]

A retrospective study of 24 pheochromocytomas observed between 1974 and 1987 is reported. Hypertension is the most frequent sign. In 19 cases diagnosis of pheochromocytoma was confirmed by surgery. In 3 cases, preoperative diagnosis was "silent" adrenal tumor. Two had exploratory surgery for renal artery stenosis and renal tumor. Diagnostic strategy and its evolution with high sensitivity biochemical examinations and computed tomography was analysed.