Clinical use of a nonferromagnetic needle for magnetic resonance-guided biopsy
- 1 December 1989
- journal article
- research article
- Published by Springer Nature in Gastrointestinal Radiology
- Vol. 14 (1) , 61-64
- https://doi.org/10.1007/bf01889157
Abstract
Five patients who had liver lesions detected by magnetic resonance (MR) and/or computed tomography (CT) were biopsied using MR guidance with a specially designed nonferromagnetic needle. The 20-gauge needle was constructed from Type 316 stainless steel in order to maximize needle visibility and minimize needle-tip artifact. In all cases adequate tissue was obtained for diagnosis and no side effects were observed during the biopsy or on clinical follow-up despite the fact that the needle was within the patient in MR for an average of 30 min.Keywords
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