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A Case of Isolated ACTH Deficiency with Dysphoria which Improved after Steroid Treatment Osamu KUBOTA 1 , Eiji SIHMIZU 1 , Kazuhiro KODAMA 1 , Atsuya HORIE 2 , Yoshihiko NOGUCHI 2 , Naoya KOMATSU 1 , Shingo NODA 1 , Shin-ichi OKADA 1 , Naoto YAMANOUCHI 1 , Yasushi SAITO 2 , Toshio SATO 1 1Department of Neuro Psychiatry, Chiba University School of Medicine 2Department of Internal Medicine II, Chiba University School of Medicine Keyword: Isolated ACTH deficiency , Dysphoria , Cortisol , CRF pp.629-636
Published Date 1998/6/15
DOI https://doi.org/10.11477/mf.1405904565
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 We encountered a patient with an isolated ACTH deficiency who had had dysphoria for 6 years. The 39 year-old Japanese man demonstrated loss of energy, fatigue, encoding disorder and aggressive behavior. Fortunately he responded positively to steroid therapy.

 After a convulsion, he began to experience psychomotor excitation, and then fell into a coma. At that time, his serum Na level was severely low. We diagnosed him as having an isolated ACTH deficiency by using the CRF continuous loading test. His EEG showed diffuse slow waves and brain MRI depicted empty sella. After the seventh day of steroid therapy, he recovered from the coma, and his serum Na level along with EEG returned to normal. Interruption of steroid therapy caused dysphoria without delirium. His psychiatric symptoms soon disappeared after steroid treatment.

 This case suggests that ACTH deficiency might produce, not only delirium, but also dysphoria. Glucocorticoids and ACTH have been found to cause mood changes and cognitive disorders. But these mechanisms remain to be elucidated.


Copyright © 1998, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-126X 印刷版ISSN 0488-1281 医学書院

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