Table 1. Clinical characteristics of pheochromocytoma patients

	Age at diagnosis/Gender	Adrenal tumor (size on CT imaging)	Syndromic manifestations	24h-Urinary catecholamine (μg/24h)			Plasma metanep hrine (<90pg/mL)	Calciton in (<6.4pg/ mL)	CEA (<5ng/mL)	Calciu m (mmol /L)	iPTH (21-45pg/ mL)	Genetic mutation
				Adren alin (<20)	Noradre nalin (<90)	Dopa mine (<600)
BN 01	30/F	Unilateral L: 30x40x50 mm	No	57.9	340.7	430.5	64.5	5.1	3.2	2.48	33.9	ND
BN 02	32/M	Bilateral L: 20x30x35 mm R: 40x45x40 mm	No	13.1	250.4	500.4	102.5	4.2	2.2	2.52	20.1	ND
BN 03	33/F	Bilateral L: 40x50x60 mm R: 50x40x55 mm	No	7.6	199	278.3	758	4.1	3.8	2.30	29.8	RET gene: c.1900T >C (Cys634 Arg)
BN 04	34/M	Bilateral L: 15x20x20 mm R: 25x40x30 mm	No	133.3	116.4	568.4	589.8	57.2	14.6	2.42	25.4	RET gene: c.1900T >G (Cys634 Gly)
BN 05	41/M	Bilateral L: 12x10x10 mm* R: 60x90x70 mm	MEN2A (MTC & PC)	460.0	1098.6	1228.4	1102.0	869.0	85.5	2.34	33.6	RET gene: c.1900T >C (Cys634 Arg)
BN 06	25/F	Bilateral L: 59x55x40 mm R: 36x48x25 mm*	MEN2A (MTC & PC)	76.2	210	462.0	861.3	28.6	33.5	2.20	42.5	RET gene: c. >C (Cys634 Arg)
BN 07	30/F	Bilateral L: 15x20x20 mm R: 25x40x30 mm	MEN2A (MTC & Bilateral PC)	800	311	1400.0	717.0	2069	51.8	2.32	46	RET gene: c.1900T >C (Cys634 Arg)

M, Male; F, Female
L, left pheochromocytoma tumor; R, right pheochromocytoma tumor ND, not detectable
PC, Pheochromocytoma
MTC, Medullary thyroid carcinoma
First PC diagnosis followed by subsequent PC diagnosis in contralateral gland.