Magnetic resonance imaging of para-articular and ectopic ganglia

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Abstract
This study was undertaken to evaluate the efficacy of magnetic resonance imaging in (1) improving preoperative identification of soft tissue ganglia and in (2) enhancing management by defining their origins, attachments, and extensions. Magnetic resonance images of 17 ganglia were evaluated for intrinsic signal, internal structure, overall shape, and relationship to joints and tendon sheaths using a Philips 0.5 Tesla superconductive magnet with receiver dedicated surface coils. Magnetic resonance imaging proved particularly well suited to delineating soft tissue ganglia and characterizing several of their distinctive diagnostic features which are not optimally imaged by other modalities such as computed tomography and ultrasound.