Coincidence of Large Adrenal Cyst and Prominent Hyporeninemic Hyperaldosteronism

Table 1

Plasma parameters.

Blood sample: on admission
WBC	4.52 × 10^3	/μL	RBC	4.41 × 10^6	/μL
Hb	11.9	g/dL	Plt	187 × 10^3	/μL
Creatinine	6.61	mg/dL	eGFR	5.4	ml/min/1.73 m^2
Na	144	mEq/L	K	3.7	mEq/L
PRA	≦0.2	ng/mL/hr	PAC	514.9	pg/mL
ACTH	25	pg/mL	Cortisol	14.5	μg/dL
DHEA-S	25	μg/dL	Estradiol	<14.0	ng/mL
Testosterone	0.24	ng/mL	HbA1c	5.6	%
Urine sample
U-adrenaline	1.08	μg/day	U-VMA	2.16	mg/day
U-noradrenaline	55.26	μg/day	U-metanephrine	0.036	mg/day
U-dopamine	100.8	μg/day	U-normetanephrine	0.126	mg/day
U-cortisol	Below the detection limit
Diurnal profile of ACTH and cortisol
Time	6 : 00	23 : 00
ACTH (pg/mL)	23	7
Cortisol (μg/dL)	16.4	6.9
Low-dose dexamethasone suppression test
	After 1 mg
ACTH (pg/mL)	2
Cortisol (μg/dL)	4.5
Blood sample: one month after surgery
K	4.4	mEq/L	eGFR	5.1	ml/min/1.73 m^2
PRA	≦0.2	ng/mL/hr	PAC	533.6	pg/mL
ACTH	31	pg/mL	Cortisol	13.5	μg/dL
DHEA-S	3.8	μg/dL