MR-guided minimally invasive procedures.

This article outlines the integration of breast MR imaging minimally invasive therapy for breast tumors. Technical obstacles discussed include accurate determination of margins, DCIS, and localization methods. Treatment methods such as cryotherapy, interstitial hyperthermia, and focused ultrasound are discussed. Other subjects include the amount of minimally-invasive therapy performed to date and the ethical dilemma of clinical trials.