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  • Title: Positive correlation between urinary excretion of catecholamine metabolites and tumour mass in pheochromocytoma. Results in patients with sustained and paroxysmal hypertension and multiple endocrine neoplasia.
    Author: Stenström G, Waldenström J.
    Journal: Acta Med Scand; 1985; 217(1):73-7. PubMed ID: 3976435.
    Abstract:
    In a series of 53 pheochromocytoma patients operated on at Sahlgren's Hospital during 1956-82, a positive linear correlation is established between the 24-hour urinary excretion of vanilmandelic acid (mumol/24 h) and tumour mass (g). A similar correlation was found between the excretion of metanephrines and tumour mass in 33 subjects. The patients were subgrouped according to their type of hypertension. A statistically significant correlation between vanilmandelic acid excretion and tumour mass persisted in groups IA (sustained hypertension without attacks), IB (sustained hypertension with attacks), and II (paroxysmal hypertension) but not in group III (miscellaneous patients). There was also a correlation between metanephrine excretion and tumour mass in groups IB (n = 8) and II (n = 12). In 10 patients with the syndrome of multiple endocrine neoplasia, a positive correlation was found between tumour mass and the excretion of vanilmandelic acid, metanephrines and adrenaline.
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