Hemodynamic instability during percutaneous ablation of extra-adrenal metastases of pheochromocytoma and paragangliomas: a case series

Table 3 Plasma and urine catecholamine and metanephrine levels in patients with functional metastatic PPGLs^a

Catecholamine or Metanephrine	Concentration
Catecholamine or Metanephrine	n	Median	(Interquartile Range)
Plasma
Free metanephrine, nmol/L	21	0.2	(0.2–0.3)
Free normetanephrine, nmol/L	21	1.7	(1.1–3.9)
24-Hour urine
Norepinephrine, mcg/24 h	23	115	(73–165)
Epinephrine, mcg/24 h	23	4.3	(2.6–6.4)
Dopamine, mcg/24 h	23	185	(137–269)
Metanephrine, nmol/L	24	115	(73–164)
Normetanephrine, nmol/L	23	848	(588–1513)
Total metanephrine, mcg/24 h	23	1021	(708–1790)

Abbreviation: PPGLs pheochromocytomas and paragangliomas
^aFunctional tumors were defined as at least 1 increased preoperative catecholamine or metanephrine level above the reference range

ISSN: 1471-2253