Paget's (PAJ-its) disease of the breast is a rare form of breast cancer. Paget's disease of the breast starts on the nipple and extends to the dark circle of skin (areola) around the nipple. Paget's disease of the breast isn't related to Paget's disease of the bone, a metabolic bone disease.

Paget's disease of the breast occurs most often in women older than age 50. Most women with Paget's disease of the breast have underlying ductal breast cancer, either in situ — meaning in its original place — or, less commonly, invasive breast cancer. Only in rare cases is Paget's disease of the breast confined to the nipple itself.

Mar. 27, 2013

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