Published in:
01-10-2009 | Clinical Image
Bare spot: a normal variant on shoulder MR arthrography
Published in: Pediatric Radiology | Issue 10/2009
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A 14-year-old boy with shoulder pain after a football injury underwent shoulder MR arthrography. The study revealed a focal area of cartilage thinning (Fig. 1 arrow) at the central area of the glenoid, simulating a cartilage defect. The sagittal image showed a focal contrast-filled area at the central portion of the glenoid (Fig. 2 arrow). This cartilage thinning at the central area of the glenoid represents a bare spot. No abnormality was identified to account for the child’s pain.
Fig. 1
Axial FIESTA image
Fig. 2
Sagittal FIESTA image
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