Metal artifact suppression at the hip: diagnostic performance at 3.0 T versus 1.5 Tesla

Lorenzo Nardo¹, Misung Han², Martin Kretzschmar³, Michele Guindani⁴, Kevin Koch^{5

6}, Thomas Vail⁷, Roland Krug⁸, Thomas M Link⁹

Affiliations

¹ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Lorenzo.Nardo@ucsf.edu.
² Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Han.Misung@ucsf.edu.
³ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Martin.Kretschmar@ucsf.edu.
⁴ Department of Biostatistics - Unit 1411, The University of Texas MD Anderson Cancer Center, P.O. Box 301402, Houston, TX, 77230-1402, USA. mguindani@mdanderson.org.
⁵ Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI, 53226, USA. kmkoch@mcw.edu.
⁶ Department of Radiology, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI, 53226, USA. kmkoch@mcw.edu.
⁷ Department of Orthopedic Surgery, University of California San Francisco, 500 Parnassus Avenue, MU320, San Francisco, CA, 94143, USA. vailt@orthosurg.ucsf.edu.
⁸ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Roland.Krug@ucsf.edu.
⁹ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. thomas.link@ucsf.edu.

PMID: 26201676
DOI: 10.1007/s00256-015-2214-5

Free article

Metal artifact suppression at the hip: diagnostic performance at 3.0 T versus 1.5 Tesla

Lorenzo Nardo et al. Skeletal Radiol. 2015 Nov.

Free article

. 2015 Nov;44(11):1609-16.

doi: 10.1007/s00256-015-2214-5. Epub 2015 Jul 23.

Authors

Lorenzo Nardo¹, Misung Han², Martin Kretzschmar³, Michele Guindani⁴, Kevin Koch^{5

6}, Thomas Vail⁷, Roland Krug⁸, Thomas M Link⁹

Affiliations

¹ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Lorenzo.Nardo@ucsf.edu.
² Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Han.Misung@ucsf.edu.
³ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Martin.Kretschmar@ucsf.edu.
⁴ Department of Biostatistics - Unit 1411, The University of Texas MD Anderson Cancer Center, P.O. Box 301402, Houston, TX, 77230-1402, USA. mguindani@mdanderson.org.
⁵ Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI, 53226, USA. kmkoch@mcw.edu.
⁶ Department of Radiology, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI, 53226, USA. kmkoch@mcw.edu.
⁷ Department of Orthopedic Surgery, University of California San Francisco, 500 Parnassus Avenue, MU320, San Francisco, CA, 94143, USA. vailt@orthosurg.ucsf.edu.
⁸ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. Roland.Krug@ucsf.edu.
⁹ Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry street, suite 350, San Francisco, CA, 94107, USA. thomas.link@ucsf.edu.

PMID: 26201676
DOI: 10.1007/s00256-015-2214-5

Erratum in

Erratum to: Metal artifact suppression at the hip: diagnostic performance at 3.0 T versus 1.5 Tesla.
Nardo L, Han M, Kretzschmar M, Guindani M, Koch K, Vail T, Krug R, Link TM. Nardo L, et al. Skeletal Radiol. 2015 Nov;44(11):1617. doi: 10.1007/s00256-015-2243-0. Skeletal Radiol. 2015. PMID: 26298104 No abstract available.

Abstract

Purpose: This work aimed to compare the diagnostic performance of a metal artifact suppression sequence (MAVRIC-SL) for imaging of hip arthroplasties (HA) at 1.5 and 3 Tesla (T) field strength.

Methods: Eighteen patients (10 females; aged 27-74) with HA were examined at 3.0 and 1.5 T within 3 weeks. The sequence protocol included 3D-MAVRIC-SL PD (coronal), 3D-MAVRIC-SL STIR (axial), FSE T1, FSE PD and STIR sequences. Anatomical structures and pathological findings were assessed independently by two radiologists. Artifact extent and technical quality (image quality, fat saturation and geometric distortion) were also evaluated. Findings at 1.5 and 3.0 T were compared using a Wilcoxon signed rank test.

Results: While image quality was better at 1.5 T, visualization of anatomic structures and clinical abnormalities was not significantly different using the two field strengths (p > 0.05). Fat suppression and amount of artifacts were significantly better at 1.5 T (p < 0.01). Inter- and intra-reader agreement for different anatomic details, image quality and visualization of abnormalities ranged from k = 0.62 to k = 1.00.

Conclusion: MAVRIC-SL at 1.5 T had a comparable diagnostic performance when compared MAVRIC-SL at 3.0 T; however, the higher field strength was associated with larger artifacts, limited image quality and worse fat saturation.

Keywords: Hip; MRI; Pain; Surgery.

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References

1. Eur Radiol. 2015 Aug;25(8):2403-11 - PubMed
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Metal artifact suppression at the hip: diagnostic performance at 3.0 T versus 1.5 Tesla

Affiliations

Metal artifact suppression at the hip: diagnostic performance at 3.0 T versus 1.5 Tesla

Authors

Affiliations

Erratum in

Abstract

References

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LinkOut - more resources

Full Text Sources

Medical