نتایج جستجو برای: vanillylmandelic acid
تعداد نتایج: 747445 فیلتر نتایج به سال:
PURPOSE The prognosis of patients with malignant pheochromocytoma is poor, but the predictive factors are not well understood. We aimed to identify the clinical characteristics predictive of malignancy after initial surgical removal in patients with pheochromocytoma. MATERIALS AND METHODS We retrospectively reviewed the records of 152 patients diagnosed with pheochromocytoma, including 5 (3.3...
Key words: paraganglioma; phaeochromocytoma; vanillylmandelic acid was slightly elevated (9.5 mg/ chromaffin cell; hypertension in pregnancy; renal-24 h; normal values (n.v.) 2.00–7.00 mg/24 h). artery stenosis On admission the patient was in the seventh week of her second pregnancy and her blood pressure was 150/100 mmHg. Peripheral plasma renin activity (PRA) and aldosterone levels were eleva...
CONTEXT Diagnosis of pheochromocytoma depends on biochemical evidence of catecholamine production by the tumor. However, the best test to establish the diagnosis has not been determined. OBJECTIVE To determine the biochemical test or combination of tests that provides the best method for diagnosis of pheochromocytoma. DESIGN, SETTING, AND PARTICIPANTS Multicenter cohort study of patients te...
Uniform liquid-chromatographic conditions were developed such that we could quantify norepinephrine, epinephrine, normetanephrine, metanephrine, vanillylmandelic acid, and 5-hydroxyindoleacetic acid in urine by using a single mobile phase of monochloroacetic acid and citric acid, 0.1 mol/L each. All compounds were separated on a C18 column and detected electrochemically at a potential of +0.800...
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