[ACTH's ectopic secretion in a patient with precedents of Cushing's disease].

A 54-year-old man, with a history of Cushing's disease diagnosed 32 years earlier, presented with edema, asthenia and general malaise. Abnormal laboratory studies depicted hypokalemia and metabolic alkalosis. A CT scan of the chest revealed a 3×3 cm tumor in the anterior mediastinum.

[Facial diplegia with atypical paresthesia. A variant of Guillain-Barré syndrome].

Guillain-Barré syndrome is an acute demyelinating disease which presents in a classic form with muscular weakness and the lack of reflexes. There are multiple variations and atypical forms of the disease, being facial diplegia with paresthesia one of them. Also, the absence of reflexes in this syndrome is typical but not constant, since 10% of patients present reflexes.