Introduction:disease is a rare,chronic disorder.The cause of disease is unknown.It is believed to be caused by an autoimmune reaction.As in other chronic autoimmune diseases,disease may show a subclinical adrenal failure and some changes in cortisol levels.We aimed to evaluate adrenal gland function in disease patients.Material and method:This study included 18 disease patients and 15 healthy controls.Patient and control groups were administered i.v.1 μg low dose test(LDT)and 250 μg standarddose test(SDT)adrenocorticotropic hormone(ACTH)stimulation test after 12 h of night fasting with an interval of 3-days and cortisol responses in the 0th,30th and 60th minutes were evaluated.Results:There was no statistically significant difference between basal cortisol values of disease and control groups.Cortisol values in the 60th minute in LDT were significantly lower in disease group than in the control group.In the peak cortisol responses to LDT,a significant decrease was found in disease group.Conclusion:These findings suggest that hypothalamo-pituitary adrenal axis is partially suppressed in disease.
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