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Ulnar collateral ligament tear / Stener lesion

Patient Positioning

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

Probe Positioning

Place the transducer on longitudinal planes over the joint from the ulnar aspect. Check the continuity of the ligament and - if torn, its position in relation to the adductor pollicis aponeurosis (normally deep to it)

adpol: aponeurosis of adductor pollicis
ucoll: ulnar collateral ligament

Elderly patient after accident with his bike and contusion of the thumb. the ultrasound reveals a discontinuation of the ulnar collateral ligament at the 1st metacarpal joint with slippage of the torn end of the ulnar collateral ligament superficial to the adductor aponeurosis.