A pedunculated aldosterone‐producing adenoma drained by an extra vein causing puzzling results of adrenal vein sampling. (23rd May 2018) - Velema, Marieke S.; Dekkers, Tanja; Hermus, Ad R.M.M.; Timmers, Henri J.L.M.; Langenhuijsen, Johan; Arntz, Mark; Kusters, Benno; Eisenhofer, Graeme; Lenders, Jacques W.M.; Deinum, Jaap