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Posterosuperior glenoid impingement of the shoulder: findings at MR imaging and MR arthrography with arthroscopic correlation. 1994

P F Tirman, and F W Bost, and G J Garvin, and C G Peterfy, and J C Mall, and L S Steinbach, and J F Feller, and J V Crues
Department of Radiology, San Francisco Magnetic Resonance Center, CA 94118.

OBJECTIVE To determine the utility of magnetic resonance (MR) imaging and MR arthrography in the evaluation of arthroscopic findings of posterosuperior glenoid impingement. METHODS The findings at MR imaging, MR arthrography, and physical examination with the patient under anesthesia were retrospectively reviewed in eight patients with arthroscopic evidence of posterosuperior glenoid impingement. RESULTS All patients had shoulder pain; anterior instability was found in six patients. Other than bone marrow abnormalities, findings at MR imaging were not reliable for the detection of posterosuperior glenoid impingement. MR arthrography was superior to routine MR imaging in all four cases in which it was done; positioning the shoulder in abduction and external rotation was beneficial in three of four patients. CONCLUSIONS Impingement of the rotator cuff on the posterior superior glenoid labrum is a cause of posterior shoulder pain in athletes who throw. MR arthrography may allow detection of abnormalities associated with this clinical entity.

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
D010146 Pain An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS. Suffering, Physical,Ache,Pain, Burning,Pain, Crushing,Pain, Migratory,Pain, Radiating,Pain, Splitting,Aches,Burning Pain,Burning Pains,Crushing Pain,Crushing Pains,Migratory Pain,Migratory Pains,Pains, Burning,Pains, Crushing,Pains, Migratory,Pains, Radiating,Pains, Splitting,Physical Suffering,Physical Sufferings,Radiating Pain,Radiating Pains,Splitting Pain,Splitting Pains,Sufferings, Physical
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000070599 Shoulder Injuries Injuries involving the SHOULDERS and SHOULDER JOINT. SLAP Tears,Superior Labrum from Anterior to Posterior Injuries,Injuries, Shoulder,Injury, Shoulder,SLAP Tear,Shoulder Injury,Tear, SLAP,Tears, SLAP
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
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
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001182 Arthroscopy Endoscopic examination, therapy and surgery of the joint. Arthroscopic Surgical Procedures,Surgical Procedures, Arthroscopic,Arthroscopic Surgery,Surgery, Arthroscopic,Arthroscopic Surgeries,Arthroscopic Surgical Procedure,Arthroscopies,Procedure, Arthroscopic Surgical,Procedures, Arthroscopic Surgical,Surgeries, Arthroscopic,Surgical Procedure, Arthroscopic
D001265 Athletic Injuries Injuries incurred during participation in competitive or non-competitive sports. Sports Injuries,Injuries, Athletic,Injuries, Sports,Athletic Injury,Injury, Athletic,Injury, Sports,Sports Injury
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective

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