RT Journal Article SR Electronic T1 Bilateral inferior petrosal sinus sampling JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP 215 OP 218 DO 10.1136/neurintsurg-2011-010033 VO 4 IS 3 A1 Deipolyi, Amy R A1 Hirsch, Joshua A A1 Oklu, Rahmi YR 2012 UL http://jnis.bmj.com/content/4/3/215.abstract AB Bilateral inferior petrosal sinus sampling, the gold standard assay in diagnosing pituitary secretion of adrenocorticotropic hormone in Cushing disease, is highly accurate and safe when performed by experienced interventionalists. We review the anatomic and technical considerations essential for safe and reliable practice.