Pheochromocytoma as a rare cause of hypertension in a 46 X, i(X)(q10) turner syndrome: a case report and literature review

Table 1 Laboratory findings for adrenal gland mass on admission and post-operation

Parameters	Pre-operative value	Post-operative value	Reference ranges
Serum norepinephrine, pg/mL	1066.2	294.0	110–410
Serum epinephrine, pg/mL	17.5	14.4	< 50
Serum normetanephrine, nmol/L	3.32	0.5	< 0.9
Serum metanephrine, nmol/L	0.13	0.12	< 0.5
Urinary norepinephrine, μg/24hours^a	282.6	34.4	0–97
Urinary epinephrine, μg/24hours^a	4.35	3.6	0–27
Urinary normetanephrine, μg/24hours^a	399.9	176.3	88–444
Urinary metanephrine, μg/24hours^a	21.3	58.6	52-341
Urinary VMA, mg/day	4.72	2.04	1.2–6.52
Serum ACTH, pg/mL	10.38	16.15	10–60
Serum cortisol, μg/dL	45	40.0	2.5–12.5
24 h urine free cortisol, μg/24 hours^a	49.7	45.4	7–96
Plasma renin activity, ng/ml/hr	9.14	5.16	0.15–2.33
Serum aldosterone, pg/mL	864.4	199.7	10–160
Aldosterone renin ratio	9.46	3.9	< 30
Serum Potassium, mmol/L	4.23	3.92	3.5–5.3

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