一位55 歲女性罹患高血壓多年,經saline loading test 確診為原發性多醛酮症(primary hyperaldosteronism),為了排除是bilateral adrenal hyperplasia,下列定位檢查何者較不適當?
thin-cut adrenal computed tomography(CT)scan
^{131}I-6β-iodomethyl noriodocholesterol scintigraphy(NP-59)
^{131}
selective adrenal vein sampling
metaiodobenzylguanidine(MIBG)scan