Shoulder arthroscopy concepts and tools -- Operating room setup -- Diagnostic arthroscopy and normal anatomy -- Glenohumeral instability -- Biceps tendon lesions -- Stiffness -- Arthrosis -- Periarticular cysts and suprascapular nerve compression -- Sepsis or infection -- Impingement syndrome -- Partial-thickness rotator cuff tears -- Full-thickness rotator cuff tears -- Massive rotator cuff tears -- Irreparable rotator cuff tears -- Acromioclavicular joint pathology -- Calcific tendinitis -- Fractures -- Diagnostic ultrasonography -- Rehabilitation.