抄録
[Case 1] This case was a man in his 60s. The patient’s right adrenal vein (RAV) was unclear on pre-procedural contrast enhanced computed tomography (CT) scan, and catheter cannulation was difficult during the adrenal vein sampling (AVS) procedure. Although the transarterial venography from the right inferior phrenic artery to identify the RAV was unsuccessful, CT scan taken during the procedure revealed the RAV with a unique anatomy; it ran parallel along the inferior vena cava (IVC). AVS was successfully performed using a microcatheter. The patient was diagnosed with bilateral primary aldosteronism. [Case 2] This case was a woman in her 60s. The patient’s RAV was unclear on CT scan, and catheter cannulation was difficult. CT during transarterial venography demonstrated that the right adrenal central vein had an acute angle, which caused difficulty in identifying the RAV. AVS was performed successfully. She was diagnosed with unilateral primary aldosteronism. These two successful cases highlight the use of AVS with transarterial venography to identify the RAV with unusual configurations. This method may be helpful in cases in which it is difficult to identify and cannulate a catheter in the RAV.
