Synchronous bilateral pheochromocytomas and paraganglioma with novel germline mutation in MAX: a case report

Surgical Case Reports

Table 1 Results of catecholamine metabolite ratios in 24-h urine collection tests

	Pre-1st operation	Post-1st operation	Pre-2nd operation	Post-2nd operation	Normal range (mg/day)
Methanephrine	0.15	0.09	0.08	< 0.01	0.05–0.20
Normetanephrine	4.10	2.90	3.50	0.27	0.10–0.28
Vanillylmandelic acid	27.60	16.50	22.00	3.40	1.4–4.9