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01-09-2006 | Vascular-Interventional

MR-guided biopsies with a newly designed cordless coil in an open low-field system: Initial findings

Authors: Stephan Zangos, Theodor Vetter, Frank Huebner, Montu Tuwari, Florian Mayer, Katrin Eichler, M.-L. Hansmann, A. Wetter, C. Herzog, Thomas J. Vogl

Published in: European Radiology | Issue 9/2006

Abstract

The purpose of this study was to examine the feasibility and safety of MR-guided biopsies with a newly designed cordless coil in an open low-field magnetic resonance (MR) system. Eleven patients were biopsied using a low-field system (0.2 T, Magnetom Concerto, Siemens) by using the new cordless coil (Siemens). The biopsies were performed in different organ systems [liver (n=7), abdomen (n=1), shoulder (n=1), pelvis (n=1) and hip (n=1)]. The procedures were guided using T1-weighted FLASH (fast low-angle shot) sequences. The lesions were biopsied using the coaxial technique through a 15-gauge puncture needle with a 16-gauge biopsy handy. Coil handling, image quality and complications were evaluated. Imaging quality and visualization of the lesions were optimal up to a penetration depth of 9 cm. In all cases the biopsy procedures were successfully performed with MR guidance without any complications. Pathological findings revealed seven cases of malignant tissue and four cases of non-malignant tissue. The use of the cordless coil allows improved patient access during the biopsy and an improved handling of the coil system. MR-guided biopsy using the novel cordless coil system can be performed safely and precisely with easy handling of the coil. This coil concept, however, is restricted to special indications.

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Title: MR-guided biopsies with a newly designed cordless coil in an open low-field system: Initial findings
Authors: Stephan Zangos
Theodor Vetter
Frank Huebner
Montu Tuwari
Florian Mayer
Katrin Eichler
M.-L. Hansmann
A. Wetter
C. Herzog
Thomas J. Vogl
Publication date: 01-09-2006
Publisher: Springer-Verlag
Published in: European Radiology / Issue 9/2006
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-005-0069-1

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MR-guided biopsies with a newly designed cordless coil in an open low-field system: Initial findings

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