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Jpn J Med. 1991 May-Jun;30(3):233-7.  Masked Cushing's disease in an aged man associated with intraventricular hemorrhage and tuberculous peritonitis.  Tsubota A, Shishiba Y, Shimizu T, Ozawa Y, Sawano S, Yamada S.

A 77-year-old man complained of headache, dizziness and tactile hallucination. Based on those clinical signs and the findings of computed tomography scanning and magnetic resonance imaging, he was diagnosed as having pituitary adenoma. Clinical signs and symptoms of Cushing's disease had not been apparent because of the occurrence of the disease at an old age. An increase in serum cortisol and adrenocorticotropic hormone indicated the presence of Cushing's disease. Physical findings obtained thereafter were also compatible with the disease. While the patient was being prepared for surgery, pituitary apoplexy and intraventricular hemorrhage occurred. Massive ascites appeared as a result of tuberculous peritonitis. In spite of treatment for these complications, his general condition progressively deteriorated and he died 39 days after the intraventricular hemorrhage. This case presents the difficulty in the treatment of masked Cushing's disease in the elderly population.

PMID:  1920964