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ductal lavage (DUK-tul luh-VAZH)

A method used to collect cells from milk ducts in the breast. A hair-size catheter (tube) is
inserted into the nipple, and a small amount of salt water is released into the duct. The water
picks up breast cells, and is removed. The cells are checked under a microscope. Ductal lavage
may be used in addition to clinical breast examination and mammography to detect breast
cancer.

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