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September 10, 1982

Clear Breast Discharge

JAMA. 1982;248(10):1180. doi:10.1001/jama.1982.03330100020017

To the Editor.—  In the QUESTIONS AND ANSWERS section of a recent issue of The Journal (1982;247:687), a question regarding an adolescent boy with gynecomastia and clear breast discharge was presented. This patient seemed to have no other clinical abnormalities, and his serum prolactin level and sella turcica roentgenogram were reported to be normal. A question was raised as to the frequency of such an observation and the need for further testing. The response of the consultant considered the patient to have galactorrhea and was appropriate for a patient with galactorrhea and hyperprolactinemia. However, the patient had unilateral, clear breast discharge. Does this really constitute galactorrhea?From the literature, one can come up with a number of definitions for galactorrhea, yet we feel that the most succinct definition has been given by Kleinberg and co-workers when they describe galactorrhea as "any white discharge from the nipple that is persistent and