WILLIAM B. MALARKEY, M.D.; YASH P. KATARIA, M.D.
To the editor: Elevated serum prolactin levels have been reported in various clinical disorders, including pituitary tumors, hypothyroidism, pituitary stalk section, uremia, after the administration of certain drugs, and ectopic production by pulmonary and renal carcinoma (1). In most of these disorders, the elevated serum prolactin levels reflect either functional or anatomic disturbance of the hypothalamic-pituitary unit. The primary abnormality in these patients is probably a decrease in the amount of prolactin inhibitory factor reaching the pituitary from the hypothalamus (1). It has also been reported that elevated serum prolactin concentrations, measured by bioassay, may be found in one third
MALARKEY WB, KATARIA YP. Sarcoidosis and Hyperprolactinemia. Ann Intern Med. ;81:116. doi: 10.7326/0003-4819-81-1-116_1
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Published: Ann Intern Med. 1974;81(1):116.
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