Pitfall in HPLC assay for urinary metanephrines: an unusual type of interference caused by methenamine intake.
van Laarhoven
Hanneke W M
HW
Department of Medical Oncology, University Medical Centre Nijmegen, Nijmegen, The Netherlands. h.vanlaarhoven@onco.umcn.nl
Willemsen
Jacques J
JJ
Ross
H Alec
HA
Beex
Louk V A M
LV
Lenders
Jacques W M
JW
Sweep
Fred C G J
FC
D000310:Adrenal Gland Neoplasms / Q000175:diagnosis; D001132:Arm / Q000098:blood supply; D002395:Catecholamines / Q000097:blood; D002851:Chromatography, High Pressure Liquid; D003937:Diagnosis, Differential; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008676:Metanephrine / Q000097:blood / Q000652:urine*; D008709:Methenamine / Q000652:urine*; D008875:Middle Aged; D010673:Pheochromocytoma / Q000175:diagnosis; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000652:urine; D013923:Thromboembolism / Q000175:diagnosis / Q000652:urine
D002395:Catecholamines; D008676:Metanephrine; D008709:Methenamine