J Korean Soc Surg Hand.  2016 Jun;21(2):89-92. 10.12790/jkssh.2016.21.2.89.

Trigger Finger of a Distal A2 Pulley

• Jin JW
• Kang BY
• Kim DH

• KMID: 2328394
• DOI: http://doi.org/10.12790/jkssh.2016.21.2.89

Abstract

Trigger finger commonly occurs in A1 pulley. However, there have been occasional reports of proximal or distal A2 pulley and A3 pulley at other sites. Especially, trigger finger that occurs in A2 pulley is usually due to thickening of flexor tendon. Flexor tendon plasty surgery or A2 pulley partial release are well known treatments of A2 pulley trigger finger. We conducted pulley lengthening of the A2 pulley to a 62-year-old man who has trigger finger occurring in distal portion of the A2 pulley, and we report about this with good results obtained.

Keyword

A2 pulley; Trigger finger; Pulley lengthening

MeSH Terms

Fingers*
Humans
Middle Aged
Tendons

Figure

• 

  Fig. 1. Intraoperative photograph. Note the thickness of flexor digitorum profundus tendon (*) at distal portion of A2 pulley in tendon retracted distally after A2 pulley is released.

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  Fig. 2. Z-plasty of A2 pulley. A2 pulley has been extended with the use of Z-plasty technique.

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