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Epithelial cyst of the finger

Patient Positioning

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

Probe Positioning

Place the transducer on longitudinal planes over the joints and digits of interest. Do not use any pressure - especially while looking for effusion or using doppler mode.

Probe Placement Hand
Probe Placement Hand

note: epithelial cyst of the distal finger due to chronic mechanical irritation without connection of the cyst to the distal interphalangeal joint and without degenerative changes of the joint in a young woman

note: patient with erosive osteoarthritis of the dip joints leading to a ganglion cyst