Ultrasound Features of Trigger Finger: Review of the Literature

Research output: Contribution to journalReview articlepeer-review

Abstract

Trigger finger is a common pathologic condition of the digital pulleys and flexor tendons in the hand. The key clinical finding is a transient blockage of the digit when it is flexed with subsequent painful snapping when it is extended. Imaging is a helpful guide for establishing the severity of the disease, identifying the underlying cause, and deciding the appropriate management. This narrative review aims to recall the anatomic and pathologic bases and describe the ultrasound features of trigger finger, also including common ultrasound findings and complications after therapy. Ultrasound enables an accurate static and dynamic evaluation of trigger finger as well as a comparison with the adjacent normal digits and thus should be considered the radiologic modality of first choice for its diagnosis.

Original languageEnglish
Pages (from-to)3141-3154
Number of pages14
JournalJournal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
Volume38
Issue number12
DOIs
Publication statusPublished - Dec 1 2019

Keywords

  • finger
  • musculoskeletal
  • pulley
  • tendon
  • tenosynovitis
  • trigger finger
  • ultrasound

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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