BACKGROUND
Differential diagnosis for a nodule in the nipple or subareolar area of woman includes both primary neoplasms of breast as well as those from skin and adnexae.
CASE PRESENTATION
A 32-year-old woman presented with a painless 0.5 cm subareolar nodule of her left nipple that she had noticed for several months, with no associated nipple discharge. A biopsy revealed an infiltrating adne...