Abstract

Hand surgeons routinely evaluate focal abnormalities of the hand and wrist using magnetic resonance imaging (MRI). Many do not appreciate that ultrasound can provide a time- and cost-effective alternative and can provide unique dynamic information that is not available from an MRI scan. A partial list of conditions in which ultrasound has shown utility include tendon ruptures, lacerations and pulley injuries, gamekeeper's thumb, occult fractures, carpal tunnel syndrome, and foreign bodies. It is also useful for the characterization of masses of the hand and wrist (solid vs cystic, vascular vs avascular or hypovascular) and in determining the presence of fluid and tenosynovium within the flexor tendon sheath and dorsum of the hand.

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