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Published in: European Radiology 1/2005

01-01-2005 | Interventional

MR-guided transgluteal biopsies with an open low-field system in patients with clinically suspected prostate cancer: technique and preliminary results

Authors: Stephan Zangos, Katrin Eichler, Kerstin Engelmann, Mukhtiar Ahmed, Sebastian Dettmer, Christopher Herzog, Wasilios Pegios, A. Wetter, Thomas Lehnert, Martin G. Mack, Thomas J. Vogl

Published in: European Radiology | Issue 1/2005

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Abstract

The purpose of this study was to examine the feasibility and safety of MR-guided biopsies with a transgluteal approach in patients with uncertain or suspicious prostate lesions. Twenty-five patients with uncertain or suspicious focal prostate lesions detected by high-field MR imaging of the prostate gland using endorectal coil imaging were biopsied with a transgluteal approach in a low-field MRI system (0.2 T, Concerto, Siemens). The procedures were guided using T1-weighted FLASH sequences. The prostate gland was biopsied repeatedly with a coaxial technique through a 15-gauge pencil tip with a 16-gauge biopsy handy (median 3.8 samples per patient). Complications and biopsy findings were documented retrospectively. Using T1-weighted sequences biopsy procedures were performed successfully with MR guidance in all cases without any side effects or complications. The median intervention time was 11.3 min. Pathological findings revealed ten cases of hyperplasia or atrophy, three cases of prostatitis, ten cases of carcinoma and two cases of normal tissue. The clinical follow-up showed that in two patients prostate cancer was missed at MR-guided biopsy. Transgluteal MR-guided biopsy of the prostate gland is a safe and promising approach for histological clarification of uncertain or suspicious lesions.
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Metadata
Title
MR-guided transgluteal biopsies with an open low-field system in patients with clinically suspected prostate cancer: technique and preliminary results
Authors
Stephan Zangos
Katrin Eichler
Kerstin Engelmann
Mukhtiar Ahmed
Sebastian Dettmer
Christopher Herzog
Wasilios Pegios
A. Wetter
Thomas Lehnert
Martin G. Mack
Thomas J. Vogl
Publication date
01-01-2005
Publisher
Springer-Verlag
Published in
European Radiology / Issue 1/2005
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-004-2458-2

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