Abstract
A paralabral cyst arising from a detached inferior glenoid labral tear was shown by magnetic resonance imaging (MRI) to dissect into the quadrilateral space, resulting in a compressive neuropathy of the axillary nerve. Three consecutive MRI examinations were performed over a 5-year period in a 47-year-old man with a long history of worsening shoulder pain. The MRI examinations revealed a slowly enlarging paralabral cyst extending into the quadrilateral space with progressive atrophy of the teres minor muscle.
MeSH terms
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Axilla / innervation*
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Brachial Plexus* / pathology
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Cartilage, Articular / injuries*
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Cartilage, Articular / pathology
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Cartilage, Articular / surgery
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Humans
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Magnetic Resonance Imaging
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Male
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Middle Aged
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Nerve Compression Syndromes / diagnosis
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Nerve Compression Syndromes / etiology*
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Nerve Compression Syndromes / surgery
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Orthopedic Procedures
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Rupture
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Shoulder Injuries*
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Shoulder Joint / pathology
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Shoulder Joint / surgery
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Synovial Cyst / complications*
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Synovial Cyst / diagnosis
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Synovial Cyst / surgery