MR imaging-guided interventions in the breast.
: MR imaging of the breast has high sensitivity for the detection of invasive breast cancer. However, not all enhancing lesions are malignant. A needle localization or biopsy system is necessary to differentiate false positive benign enhancing lesions from the true carcinomas. In this article, the techniques, pitfalls, and potential clinical indications for MR imaging-guided needle localization and percutaneous biopsy are discussed.