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MR evaluation of rotator cuff impingement: correlation with confirmed full-thickness rotator cuff tears. 1994

K Kaneko, and E H DeMouy, and M E Brunet
Department of Radiology, Tulane University Medical Center, New Orleans, LA 70112-2699.

OBJECTIVE To clarify the efficacy of MRI for the evaluation of rotator cuff impingement beneath the coracoacromial arch, MRI findings were correlated with confirmed full-thickness rotator cuff tears (FTRCTs). METHODS Thirty-four shoulders with FTRCT and 49 control shoulders without FTRCT were selected for this study. Direct measurement of the subacromial space (SAS) and MRI grading of SAS and subacromioclavicular space (SACS) were correlated with FTRCT. In addition, the MRI impingement score (sum of SAS grade and SACS grade) was correlated with age and FTRCT. RESULTS Direct measurement of the SAS showed poor correlation with FTRCT. The SAS grade showed significant correlation with FTRCT; however, SACS grade showed poor correlation. Shoulders with higher MRI impingement scores were associated with FTRCT in patients over 40 years of age. CONCLUSIONS The MRI sign of rotator cuff impingement is fairly reliable and helpful in discriminating patients with FTRCT, especially older patients.

UI MeSH Term Description Entries
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009135 Muscular Diseases Acquired, familial, and congenital disorders of SKELETAL MUSCLE and SMOOTH MUSCLE. Muscle Disorders,Myopathies,Myopathic Conditions,Muscle Disorder,Muscular Disease,Myopathic Condition,Myopathy
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000070636 Rotator Cuff Injuries Injuries to the ROTATOR CUFF of the shoulder joint. Glenoid Labral Tears,Rotator Cuff Tears,Rotator Cuff Tendinitis,Rotator Cuff Tendinosis,Cuff Injury, Rotator,Glenoid Labral Tear,Injury, Rotator Cuff,Labral Tear, Glenoid,Labral Tears, Glenoid,Rotator Cuff Injury,Rotator Cuff Tear,Rotator Cuff Tendinitides,Rotator Cuff Tendinoses,Tear, Glenoid Labral,Tear, Rotator Cuff,Tears, Rotator Cuff,Tendinitis, Rotator Cuff,Tendinoses, Rotator Cuff,Tendinosis, Rotator Cuff
D000173 Acromioclavicular Joint The gliding joint formed by the outer extremity of the CLAVICLE and the inner margin of the ACROMION PROCESS of the SCAPULA. Coracoacromial Arch,Coracoacromial Ligament,Acromioclavicular Joints,Coracoacromial Ligaments,Joint, Acromioclavicular,Joints, Acromioclavicular,Ligament, Coracoacromial,Ligaments, Coracoacromial
D000174 Acromion The lateral extension of the spine of the SCAPULA and the highest point of the SHOULDER. Acromion Process,Acromion Processes,Acromions
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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