A case of benign proliferative formation of the mammary gland of a rare histological form - subareolar sclerosing ductal hyperplasia in combination with papillomatosis of the nipple is presented. Pathology belongs to the group of complex sclerosing lesions. When setting the morphological (cytological, histological) diagnosis, it is necessary to take into account the clinical picture - the state of the nipple-areola complex, in particular, the presence / absence of nipple discharge and its involvement in the pathological process.
Keywords: adenosis; complex sclerosing lesion; intraductal papilloma; papillomatosis of the nipple; subareolar sclerosing ductal hyperplasia.