Bowler’s Thumb

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볼러들에게 발병하는 특이한 질환인 Bowler’s Thumb의 case report 입니다.

목차

Case
Ultrasonographic finding
Intraoperative finding
Introduction
Mechanism
Treatment

본문내용

Case
M/28
C.C: Rt. thumb mass
(Proximal phalanx, ulnar side)
Onset: 2 months ago
Character: Soft, round, nontender, movable
Hobby: Bowling (more than 3 yrs)
Ultrasonographic finding
Local U/S: R/O granulation tissue, thumb, Rt.
R/O ganglion, thumb, Rt.
Intraoperative finding
Hypertrophy of ulnar digital nerve of Rt. thumb
Introduction
Injury to peripheral nerve
→ Seperate the nerve
→ Crushing pressure to destroys transmission of impulses
Bowler`s thumb is an injury to the tendon or ulnar nerve at the base of the thumb.
Lead to thickening and scarring of the connective tissue around the nerve.
Mechanism
Perineural fibrosis is related to repeated minor trauma
Hard edge of the bowling ball hole impinge the thumb
Especially, attempt to spin the ball by retaining the thumb in the thumbhole until the last possible moment before release.
Treatment

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