A pheochromocytoma with normal clonidine-suppression test: how difficult the biochemical diagnosis?

MeSH terms

• Catecholamines / analysis
• Catecholamines / blood
• Catecholamines / metabolism
• Clonidine* / pharmacology
• Diagnosis, Differential
• Humans
• Hypertension
• Male
• Metanephrine / analysis
• Metanephrine / urine
• Middle Aged
• Pheochromocytoma / diagnosis*
• Pheochromocytoma / metabolism
• Pheochromocytoma / physiopathology
• Sympatholytics* / pharmacology