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Sonogram of the dorsal aspect of the wrist, transverse plane: A. without ultrasound standoff pad; B. with ultrasound standoff pad. Examination with standoff pad gives a clear view of all skin layers, better defined cyst margins, and contour of extensor carpi radialis brevis tendon (arrow). Examination without standoff pad shows tissue compression due to transducer-related pressure, with fluid dislocated from the tendon area, its edges poorly visible
