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[CPPD] Ganglion cyst extensor carpi ulnaris tendon

Patient Positioning

Patient seated in front of the examiner, hand palm down resting on the examination table.

Probe Positioning

Place the transducer on a sagittal plane over the dorsal aspect of the wrist. Move the probe radially or ulnarly over the extensor tendon compartment of interest.

Note: Ganglion cyst of the extensor carpi ulnaris tendon sheath, closed to the ulnar process, which shows bony irregularities. Puncture reveals cppd crystals.