Mammary Paget's Disease of Young Females: Case Reports and Comparison With Middle-Aged and Elderly Patients.

Purpose: Mammary Paget's disease (PD) in young women has seldom been reported. The aim of this study was to improve the knowledge of the clinicopathological characteristics in young patients with PD to provide a basis for the precise treatment of young patients.

Methods: The medical records and pathological slides of 8 young patients (younger than 40 years old) with PD were reviewed.