PMC5846223_01
(a) A dome-shaped pearly white nodule on the right areola adjacent to the nipple. (b) Photomicrograph showing a cyst lined with stratified squamous epithelium and the lumen was filled with keratinous material (H and E, x40)
IJABMR-8-54-g001.jpg
PMC5846223_01_IJABMR-8-54-g001.jpg
F1
On palpation, the lesion was soft, fluctuant, and nontender [Figure 1a]. No adnexal structures were observed [Figure 1b].
PMC5846223_02
(a) A well-defined, pearly white nodule on the right nipple. (b) Photomicrograph revealed that the cyst wall was lined with stratified squamous epithelium and its lumen filled with keratinous material (H and E, x40)
IJABMR-8-54-g002.jpg
PMC5846223_02_IJABMR-8-54-g002.jpg
F2
A 3-month-old male infant presented with an asymptomatic, gradually progressive single white-colored lesion on the nipple of right breast since birth [Figure 2a]. Histologic examination revealed that the cyst wall was lined with stratified squamous epithelium with a granular layer, which was filled with keratinous material and seen within the dermis [Figure 2b].