Pheochromocytoma: Yes or No?

[摘要] A 76-year-old woman was admitted for cardiac decompensation, hypertension, and renal failure. To explore her chronic hypertension, urinary fractionated metanephrines were quantified. Fig. 1A shows the chromatogram of the patient's urine, and Fig. 1B shows the chromatogram of a calibration standard. A very large methoxytyramine …

[学科分类] 过敏症与临床免疫学