A compendium of male breast imaging: The road less traveled

Figure 11  Pilomatricoma in a 33-year-old male with a palpable left breast mass. A: Mediolateral oblique and B: Craniocaudal mammography images showing a large irregular high-density mass with circumscribed margins and coarse calcifications in the retroareolar location; C: Ultrasound; D: Color Doppler images showing an irregular lesion with extensive posterior acoustic shadowing and some internal vascularity; E and F: Histopathology images (hematoxylin and eosin, × 40) showing a circumscribed lobulated mass in subcutaneous tissue and islands of basaloid cells exhibiting abrupt keratinization without an intervening granular layer along with shadow cells and central calcification.