Tendinitis is not preferred term because there are no inflammatory cells
Definitions
Collagenous degeneration of rotator cuff tendons, usually supraspinatus (SS) tendon
IMAGING
General Features
Radiographic Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Reporting Tips
Selected References
Brage K et al: Discriminative and convergent validity of strain elastography for detecting tendinopathy within the supraspinatus tendon: a cross-sectional study. JSES Int. 4(2):310-17, 2020
Gellhorn AC et al: Intense focused ultrasound stimulation of the rotator cuff: evaluation of the source of pain in rotator cuff tears and tendinopathy. Ultrasound Med Biol. 41(9):2412-9, 2015
McCreesh KM et al: Acromiohumeral distance measurement in rotator cuff tendinopathy: is there a reliable, clinically applicable method? A systematic review. Br J Sports Med. 49(5):298-305, 2015
Arend CF et al: Diagnostic value of tendon thickness and structure in the sonographic diagnosis of supraspinatus tendinopathy: room for a two-step approach. Eur J Radiol. 83(6):975-9, 2014
Lewis JS: Rotator cuff tendinopathy/subacromial impingement syndrome: is it time for a new method of assessment? Br J Sports Med. 43(4):259-64, 2009
Mayerhoefer ME et al: Shoulder impingement: relationship of clinical symptoms and imaging criteria. Clin J Sport Med. 19(2):83-9, 2009
Teefey SA et al: Shoulder ultrasound vs MRI for rotator cuff pathology. PM R. 1(5):490-5, 2009
Fritz LB et al: Cystic changes at supraspinatus and infraspinatus tendon insertion sites: association with age and rotator cuff disorders in 238 patients. Radiology. 244(1):239-48, 2007
Hambly N et al: Rotator cuff impingement: correlation between findings on MRI and outcome after fluoroscopically guided subacromial bursography and steroid injection. AJR Am J Roentgenol. 189(5):1179-84, 2007
Sein ML et al: Reliability of MRI assessment of supraspinatus tendinopathy. Br J Sports Med. 41(8):e9, 2007
Vanhoenacker FM et al: MR arthrography of the rotator cuff. JBR-BTR. 90(5):338-44, 2007
Uri DS: MR imaging of shoulder impingement and rotator cuff disease. Radiol Clin North Am. 35(1):77-96, 1997
Williams GR Jr et al: Anatomic, histologic, and magnetic resonance imaging abnormalities of the shoulder. Clin Orthop Relat Res. (330):66-74, 1996
Timins ME et al: Increased signal in the normal supraspinatus tendon on MR imaging: diagnostic pitfall caused by the magic-angle effect. AJR Am J Roentgenol. 165(1):109-14, 1995
Riley GP et al: Tendon degeneration and chronic shoulder pain: changes in the collagen composition of the human rotator cuff tendons in rotator cuff tendinitis. Ann Rheum Dis. 53(6):359-66, 1994
Vahlensieck M et al: Two portions of the supraspinatus muscle: a new finding about the muscles macroscopy by dissection and magnetic resonance imaging. Surg Radiol Anat. 16(1):101-4, 1994
Vahlensieck M et al: Two segments of the supraspinous muscle: cause of high signal intensity at MR imaging? Radiology. 186(2):449-54, 1993
Fu FH et al: Shoulder impingement syndrome. A critical review. Clin Orthop Relat Res. (269):162-73, 1991
Kjellin I et al: Alterations in the supraspinatus tendon at MR imaging: correlation with histopathologic findings in cadavers. Radiology. 181(3):837-41, 1991
Tendinitis is not preferred term because there are no inflammatory cells
Definitions
Collagenous degeneration of rotator cuff tendons, usually supraspinatus (SS) tendon
IMAGING
General Features
Radiographic Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Reporting Tips
Selected References
Brage K et al: Discriminative and convergent validity of strain elastography for detecting tendinopathy within the supraspinatus tendon: a cross-sectional study. JSES Int. 4(2):310-17, 2020
Gellhorn AC et al: Intense focused ultrasound stimulation of the rotator cuff: evaluation of the source of pain in rotator cuff tears and tendinopathy. Ultrasound Med Biol. 41(9):2412-9, 2015
McCreesh KM et al: Acromiohumeral distance measurement in rotator cuff tendinopathy: is there a reliable, clinically applicable method? A systematic review. Br J Sports Med. 49(5):298-305, 2015
Arend CF et al: Diagnostic value of tendon thickness and structure in the sonographic diagnosis of supraspinatus tendinopathy: room for a two-step approach. Eur J Radiol. 83(6):975-9, 2014
Lewis JS: Rotator cuff tendinopathy/subacromial impingement syndrome: is it time for a new method of assessment? Br J Sports Med. 43(4):259-64, 2009
Mayerhoefer ME et al: Shoulder impingement: relationship of clinical symptoms and imaging criteria. Clin J Sport Med. 19(2):83-9, 2009
Teefey SA et al: Shoulder ultrasound vs MRI for rotator cuff pathology. PM R. 1(5):490-5, 2009
Fritz LB et al: Cystic changes at supraspinatus and infraspinatus tendon insertion sites: association with age and rotator cuff disorders in 238 patients. Radiology. 244(1):239-48, 2007
Hambly N et al: Rotator cuff impingement: correlation between findings on MRI and outcome after fluoroscopically guided subacromial bursography and steroid injection. AJR Am J Roentgenol. 189(5):1179-84, 2007
Sein ML et al: Reliability of MRI assessment of supraspinatus tendinopathy. Br J Sports Med. 41(8):e9, 2007
Vanhoenacker FM et al: MR arthrography of the rotator cuff. JBR-BTR. 90(5):338-44, 2007
Uri DS: MR imaging of shoulder impingement and rotator cuff disease. Radiol Clin North Am. 35(1):77-96, 1997
Williams GR Jr et al: Anatomic, histologic, and magnetic resonance imaging abnormalities of the shoulder. Clin Orthop Relat Res. (330):66-74, 1996
Timins ME et al: Increased signal in the normal supraspinatus tendon on MR imaging: diagnostic pitfall caused by the magic-angle effect. AJR Am J Roentgenol. 165(1):109-14, 1995
Riley GP et al: Tendon degeneration and chronic shoulder pain: changes in the collagen composition of the human rotator cuff tendons in rotator cuff tendinitis. Ann Rheum Dis. 53(6):359-66, 1994
Vahlensieck M et al: Two portions of the supraspinatus muscle: a new finding about the muscles macroscopy by dissection and magnetic resonance imaging. Surg Radiol Anat. 16(1):101-4, 1994
Vahlensieck M et al: Two segments of the supraspinous muscle: cause of high signal intensity at MR imaging? Radiology. 186(2):449-54, 1993
Fu FH et al: Shoulder impingement syndrome. A critical review. Clin Orthop Relat Res. (269):162-73, 1991
Kjellin I et al: Alterations in the supraspinatus tendon at MR imaging: correlation with histopathologic findings in cadavers. Radiology. 181(3):837-41, 1991
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