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Abstract #3516

MR Quantification of Fatty Fraction in the Muscle Atrophy in Rotator Cuff Tears from T2*-Corrected Dixon Fat/Water Separation VIBE

Young Han Lee1, Daekeon Lim1, Ho-Taek Song1, InSeong Kim2, Jin-Suck Suh1

1Yonsei University College of Medicine Severance hospital, Seoul, Korea; 2Siemens Healthcare, Seoul, Korea

Rotator cuff tears are the common problem in the shoulder. Fatty degeneration of muscles accompanied by tendon tears is an important prognostic factor. An accurate fat assessment is essential to set up treatment plan and to predict prognosis. However, there has been no standardized quantitative grading system, and the most widely used method for fatty infiltration is still disputed. We investigated the fat quantification using fat fraction map MR from the T2*-corrected in-phase and oppose-phase Volume Interpolated Breathhold Examination (VIBE) sequence in the patients with rotator cuff pathology on a 3-T clinical MRI scanner.

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Keywords

accompanied accurate advanced among appropriate artifact assessed assessment atrophy biological blinded calculating clinical college common confounded confounding consecutive consensus content corrected correlate correlated correlation correlations cuff decision definite degeneration deposits develop disputed divided elbow emulsions examination excluded fatty female fraction fractions free full furthermore gelatin grade grading hospital important included infiltration infiltrations intensity interpolated investigated known making male maps massive matrix measure measured medical medicine might minimize muscle muscles muscular negative numerous objective oblique occupation oppose pain paper partial pathology patient patients phantom placed plan postoperative predict preexisting prerequisite problem prognosis prognostic quantification quantified quantitative quantitatively radiologists reconstructed records reformatted reliable respectively retrospectively reviewed rotator routine separation severance severe shoulder significantly simulate song sophisticated sports stabilized status still student suck suggested suspicious system tear tears technical tendon terms tiny treatment undergone unreliable utilized utilizing various vibe view volume water widely wighted years young