Qualitative and quantitative assessment of isotropic ankle magnetic resonance imaging: three-dimensional isotropic intermediate-weighted turbo spin echo versus three-dimensional isotropic fast field echo sequences.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τίτλος:	Qualitative and quantitative assessment of isotropic ankle magnetic resonance imaging: three-dimensional isotropic intermediate-weighted turbo spin echo versus three-dimensional isotropic fast field echo sequences.
Συγγραφείς:	Kim HS; Department of Radiology, Samsung Medical Center, School of Medicine, Sungkyunkwan University, Seoul 135-710, Korea., Yoon YC, Kwon JW, Choe BK
Πηγή:	Korean journal of radiology [Korean J Radiol] 2012 Jul-Aug; Vol. 13 (4), pp. 443-9. Date of Electronic Publication: 2012 Jun 18.
Τύπος έκδοσης:	Comparative Study; Journal Article
Γλώσσα:	English
Στοιχεία περιοδικού:	Publisher: Korean Society of Radiology Country of Publication: Korea (South) NLM ID: 100956096 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2005-8330 (Electronic) Linking ISSN: 12296929 NLM ISO Abbreviation: Korean J Radiol Subsets: MEDLINE
Imprint Name(s):	Publication: October 2008-: Seoul, Korea : Korean Society of Radiology Original Publication: Seoul, Korea : Korean Radiological Society, 2000-August 2008.
Ιατρικοί όροι (MeSH):	Achilles Tendon/anatomy & histology , Ankle Joint/anatomy & histology , Magnetic Resonance Imaging/*methods, Imaging, Three-Dimensional/methods ; Adult ; Female ; Humans ; Image Processing, Computer-Assisted ; Male ; Phantoms, Imaging ; Retrospective Studies ; Statistics, Nonparametric
Περίληψη:	Objective: To compare the image quality of volume isotropic turbo spin echo acquisition (VISTA) imaging method with that of the three-dimensional (3D) isotropic fast field echo (FFE) imaging method applied for ankle joint imaging. Materials and Methods: MR imaging of the ankles of 10 healthy volunteers was performed with VISTA and 3D FFE sequences by using a 3.0 T machine. Two radiologists retrospectively assessed the tissue contrast between fluid and cartilage (F-C), and fluid and the Achilles tendon (F-T) with use of a 4-point scale. For a quantitative analysis, signal-to-noise ratio (SNR) was obtained by imaging phantom, and the contrast ratios (CRs) were calculated between F-T and F-C. Statistical analyses for differences in grades of tissue contrast and CRs were performed. Results: VISTA had significantly superior grades in tissue contrast of F-T (p = 0.001). Results of 3D FFE had superior grades in tissue contrast of F-C, but these result were not statistically significant (p = 0.157). VISTA had significantly superior CRs in F-T (p = 0.002), and 3D FFE had superior CRs in F-C (p = 0.003). The SNR of VISTA was higher than that of 3D FFE (49.24 vs. 15.94). Conclusion: VISTA demonstrates superior tissue contrast between fluid and the Achiles tendon in terms of quantitative and qualitative analysis, while 3D FFE shows superior tissue contrast between fluid and cartilage in terms of quantitative analysis.
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Contributed Indexing:	Keywords: 3D isotropic imaging; Ankle; Cartilage; MRI; Tendon
Entry Date(s):	Date Created: 20120711 Date Completed: 20121130 Latest Revision: 20211021
Update Code:	20260130
PubMed Central ID:	PMC3384826
DOI:	10.3348/kjr.2012.13.4.443
PMID:	22778566
Βάση Δεδομένων:	MEDLINE

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ISSN:	2005-8330
DOI:	10.3348/kjr.2012.13.4.443