Arthropod Bite Mastitis as a Mimicker of Breast Cancer

Arthropod bite mastitis is rarely encountered in imaging practices but can occur in all regions of the world. Diagnosis is often challenging as the offending agent is rarely identified. While most manifestations are self-limited, severe presentations can mimic malignant processes such as Paget’s disease and inflammatory breast cancer (IBC). This case demonstrates the diagnostic challenges sometimes encountered with arthropod bite mastitis as well as imaging findings both prior to and after interventions.