[Comparison of adrenal imaging and selective adrenal vein sampling in XXXX ].

@entity1 @entity1369 @entity101 @entity1373 @entity701 @entity652 @entity1368
BACKGROUND AND OBJECTIVES: There is a high prevalence for @entity1368 ( @entity1368 ) in @entity101 @entity1 . This retrospective study was performed to determine the role of adrenal scanning and adrenal vein sampling (AVS) in distinguishing unilateral autonomous @entity652 from @entity1373 ( @entity1373 ). METHODS: 93 @entity1 , admitted to the radiology department for AVS between 1996 and 2004, were enrolled. 44 had a diagnosis of @entity1368 , 22 or whom had an @entity652 and 22 had @entity1373 . RESULTS: 17 of the 22 @entity1 with @entity652 and 15 with @entity1373 had an @entity1369 -renin ratio > 50. Adrenal CT or MR scanning was performed in 73 @entity1 . Sensitivity and specificity were 56 % and 60 %, respectively, for CT and 57% and 67% for MR. In 87 @entity1 AVS provided values for @entity1369 (A) and @entity701 (C) from the adrenal veins and vena cava inferior (VCI). Successful sampling (C-adrenal vein/C-VCI > 1.1) was achieved from 55 % of the right and from 92 % of the left adrenal veins. When AVS was successful on both sides, localizing @entity652 was possible using A/C (site of @entity652 ) vs. A/C (contralateral) at a cut-off point > 3 (sensitivity 85 %, specifity 88 %). In @entity1 with @entity652 , @entity1369 release was suppressed on the contralateral site (A/C-adrenal vein/A/C-VCI ratio = 0.8). CONCLUSION: AVS is a useful tool for localizing unilateral autonomous @entity652 . However, selective sampling often fails on the right adrenal vein, which limits its significance. In this case the A/C-adrenal vein/A/C-VCI in combination with the posture test should be utilized. CT or MRI are of limited value.
