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MRI for Differentiating Ganglion and Synovitis in the Chronic Painful Wrist

¹ Department of Diagnostic, Interventional, and Pediatric Radiology, University Hospital of Bern, Inselspital, Freiburgstrasse, CH-3010 Bern, Switzerland.
² Department of Radiology, University of California, San Francisco, San Francisco, CA.
³ Department of Pathology, University Hospital of Bern, Inselspital, Bern, Switzerland.
⁴ Department of Orthopedic, Plastic, and Reconstructive Surgery, Division of Hand Surgery, University Hospital of Bern, Intesspital, Bern, Switzerland.

OBJECTIVE. The purpose of our study was to determine if preoperative MRI can differentiate between occult ganglion and synovitis in the chronic painful wrist.

CONCLUSION. MRI is accurate in preoperatively distinguishing between ganglion and synovitis in the setting of chronic dorsal wrist pain. Four main criteria were useful: margin, shape, internal structure, and enhancement after administration of contrast material, with shape and internal structure being most helpful.

Keywords: ganglion • hand • MRI • musculoskeletal imaging • synovitis • wrist

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