RT Book, Section A1 Arora, Nimmi A1 Simmons, Rache M. A2 Kuerer, Henry M. SR Print(0) ID 6409032 T1 Chapter 19. Paget Disease of the Breast T2 Kuerer's Breast Surgical Oncology YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-160178-8 LK accesssurgery.mhmedical.com/content.aspx?aid=6409032 RD 2024/04/19 AB An English surgeon by the name of Sir James Paget reported on a condition of eczematous change of the nipple–areola complex associated with underlying breast malignancy in 1874.1 It is now recognized that Paget disease denotes an entity of intraepithelial adenocarcinoma within the epidermis of the nipple–areola complex that is associated with underlying in situ or invasive mammary carcinoma in 92% to 100% of cases.2-4 Paget cells, large cells with pale cytoplasm and prominent nucleoli, identified within nipple epidermis on histology confirm diagnosis. Ninety percent of these will overexpress Her-2/neu.