[Pheochromocytoma and its diagnostic pitfalls]

A sixty-year-old man experienced successively over two years several episodes of circulatory collapse and meningeal hemorrhage, a myocardial infarction, an episode of ketoacidosis and a seizure before acute abdominal pain with fever related to the sudden, partial, necrosis of his tumor, led to the discovery of a pheochromocytoma. This observation exemplifies the multiple clinical aspects and diagnostic pitfalls of this secreting tumor. It underscores the misleading nature of normotensive pheochromocytomas.