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Puncture and injection FPL tendon pulley ganglion cyst

Patient Positioning

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

Probe Positioning

Place the transducer on a longitudinal planes over the joints and tendons of interest. Do not use any pressure - especially while looking for effusion or using doppler mode. Use dynamic scanning to check the movement of the tendons during flexion / extension or against resistance to check the pulleys.

Probe Placement Hand
Probe Placement Hand
note: in plane puncture and infiltration of A1 pulley ganglion cyst of the FPL tendon in a patient with trigger finger of the thumb