The results suggested that examinations of SC, UFC and low dose dexamethasone suppression test were very important in the diagnosis of Cushing syndrome. The pACTH level was a key parameter to distinguish Cushing disease from adrenocortical tumor or AINAH.

• 结果表明 ,SC和UFC水平升高、激素分泌节律丧失及不受小剂量地塞米松抑制是诊断库欣综合征的最重要依据 ,pACTH水平是鉴别库欣病和肾上腺皮质肿瘤或AINAH的关键性指标