extramammary Paget’s disease /-mam″ərē/ [L, extra, outside, mamma, breast; James Paget, English surgeon, 1814–1899; L, dis + Fr, aise, ease] , a gradually spreading red, scaly, and crusted lesion resembling that of Paget’s disease but not occurring on the breast. A common area is the vulva. The lesions give rise to carcinoma in approximately 50% of the cases.
