Department of Orthopaedic Surgery;
Graduate School of Medicine;
Gunma University;
Maebashi;
Japan;
Department of Orthopaedic Surgery;
Takasaki General Medical Center;
Takasaki;
Japan;
Diagnostic; Accuracy; Magnetic; Resonance; Imaging; Rotator; Cuff; Tear; Ultrasonography; Arthroscopic; Surgery;