JOHN A. COLWELL, M.D., PH.D.
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To the Editor: We have recently had the opportunity to study plasma glucose and insulin levels in a fifth patient with pheochromocytoma and would like to add our findings to those which we reported in the August issue (Inhibition of insulin secretion by catecholamines in pheochromocytoma. Ann. Intern. Med. 71: 251, 1969).
A 40-year-old negro woman had a 70-g pheochromocytoma removed from the aortic bifurcation by Dr. George J. Bulkley at Chicago Wesley Memorial Hospital. Preoperatively, urinary total catecholamines were 2.3 mg/24 hr and were > 95% norepinephrine. Tumor catecholamines were 1.1 mg/g, also > 95% norepinephrine. The catecholamine determinations
COLWELL JA. PHEOCHROMOCYTOMA AND INSULIN. Ann Intern Med. ;71:668–669. doi: 10.7326/0003-4819-71-3-668_2
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Published: Ann Intern Med. 1969;71(3):668-669.
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