[SIADH and hypoglycemia in pulmonary microcytoma].

The case is described of a patient suffering from pulmonary microcytoma the initial symptoms of which were attributable to the ectopic production of the different hormonal substances by the neoplastic cells. In fact, the patient presented the classical picture of inappropriate ADH secretion associated with hypoglycemic crises caused y hyperinsulinemia. The extreme rarity of the twofold paraneoplastic syndrome in the course of malignant disease and the peculiarity of microcytoma associated with inappropriate ADH secretion and hypoglycemia is stressed.