Fig. 7. Post-procedural breast infections.

A. Post nipple-piercing breast abscess. This is immunocompromised 20-year-old female who presented with left breast swelling and pain post nipple piercing. Ultrasound image of left breast with color Doppler shows hypoechoic collection with heterogeneous content and increased peripheral vascularity. B. Abscess post mastectomy with insertion of tissue expander. This 62-year-old female experienced pain, redness and swelling after mastectomy with insertion of tissue expander. Ultrasound image of affected right breast reveals thick walled, lobulated collection situated posterior to tissue expander (white arrow). Aspiration of this lesion yielded inflammatory cells. No sign of malignant cells was observed.