MR imaging-guided breast intervention: experience with two systems.
- 1 May 1995
- journal article
- research article
- Published by Radiological Society of North America (RSNA) in Radiology
- Vol. 195 (2) , 533-538
- https://doi.org/10.1148/radiology.195.2.7724779
Abstract
PURPOSE: To evaluate two different systems for magnetic resonance (MR) imaging-guided breast intervention. MATERIALS AND METHODS: Thirty-four patients with 34 lesions detected exclusively with contrast material-enhanced MR imaging underwent 51 interventional procedures (23 needle biopsies and 28 preoperative wire localizations) with two different systems. An add-on device for surface coils was used in 25 cases, and a dedicated single breast biopsy coil was used in 26. For needle biopsies, material was aspirated with nonmagnetic 19.5-gauge needles. For preoperative localizations, nonmagnetic hook wires were used. RESULTS: Surgical excision or follow-up verified the cytologic findings in 19 of the 23 cases sampled for biopsy. Cytologic diagnosis was impossible in three of the 23 cases. One technical failure occurred with the biopsy coil. Open biopsy performed after MR imaging-guided localization successfully removed 26 of the 28 lesions. One missed carcinoma was found at repeat localization and removed. One...Keywords
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