Endocrine Abstracts

A 77-year-old female had a loss of appetite, severe fatigue and hyponatremia (127–135 mmol/l) for 2 months. She was diagnosed as depression, and was psychiatrically hospitalized. After admission, she was beginning to take antidepressants, but they did not work at all. To examine hyponatremia, endocrinological examination was done, then low plasma ACTH (2.0 pg/ml) and cortisol (1.3 μg/dl) was found. Brain MRI examination showed no remarkable findings in pituitary. We ...