The minimal delectable size of the aldosteronoma was found to be 0 5cm of its longest axis and 0 4gm of weight by US. The sensitivity,specificity and the diagnostic accuracy were 92 98%,81 25% and 92 21% respectively in this group.

• 本组超声检出最小瘤体的最大径为5mm，最大瘤体之最大径为80mm，重量最轻为0.；4gm，最重为225gm，敏感性、特异性及诊断正确率分别为92