Case Report
Pheochromocytoma in a Twelve-Year-Old Girl with SDHB-Related Hereditary Paraganglioma-Pheochromocytoma Syndrome
Table 1
Presenting serum and urine catecholamine levels.
| Test | Patient result | Normal range |
| Plasma | | | (i) Total catecholamines | >8,705 pg/mL | 123–1,125 pg/mL | (ii) Norepinephrine | >8,000 pg/mL | 112–1,109 pg/mL | (iii) Dopamine | 653 pg/mL | 10–20 pg/mL | (iv) Epinephrine | 52 pg/mL | 50–95 pg/mL |
| Urine | | | (i) Total metanephrines | 9,907 mcg | 110–714 mcg | (ii) Normetanephrine | 9,828 mcg | 67–503 mcg | (iii) Homovanillic acid | 66.1 mg | <6.8 mg | (iv) Metanephrine | 79 mcg | <275 mcg |
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