The authors report a case of neuro-endocrine sarcoidosis, associating panhypopituitarism , diabetes insipidus, and involvement of the optic chiasma with behavioural changes, chronic meningitis and a diffuse pyramidal syndrome. The diagnosis was suggested by the presence of mediastinal lymphadenopathy and confirmed during a surgical procedure to conserve the optic nerves. The clinical course on corticosteroids was unfavourable because of iatrogenic cushing' syndrome and steroid dependence . It was not possible to withdraw steroids, even with the use of immunosuppressors (Methotrexate).
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