Background: The origins of foreign matter are almost of medical materials, and no previous cases of ultrasound-guided breast foreign matter removal have been reported. The patient was a 30-year-old female with mammary foreign matter, a horse's bristle used in the treatment conducted by the galactagogue master. Methods: Removal of mammary foreign matter under the guidance of ultrasound. Results: A horse's bristle in the breast that was successfully removed with the guidance of ultrasound and the overall process of the operation went smoothly and took minutes. Conclusions: Ultrasonography is the first line of breast disease examination and the future will present many new treatment opportunities of interventional ultrasound.
Keywords: breast; foreign matter; interventional ultrasound; ultrasound-guided.