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Rate ePoster

Musculoskeletal and Sports Medicine

Development of Subacromial Impingement / Bursitis from Scapular Winging due to Parsonage Turner Syndrome

Thursday, October 23, 2025
5:00 PM - 6:30 PM MT
Location: Open Kiosks

    Poster Presenter(s)

  • Ian Cummins, MD

    Resident Physician
    University of Alabama Medical Center PM&R Program
    Birmingham, Alabama

    • Co-Author(s)

  • Vu Q. C Nguyen, MD, MBA

    Professor and Chair
    University of Alabama At Birmingham
    Hoover, Alabama

  • Berdale Colorado, DO, MPH

    Associate Professor, Assistant Dean, Vice Chair, Program Director
    University of Alabama At Birmingham
    Hoover, Alabama

Disclosure(s):
Vu Q. C Nguyen, MD, MBA: No financial relationships to disclose
Berdale Colorado, DO, MPH: No financial relationships to disclose
Case Diagnosis: Subacromial impingement / bursitis can develop as a result of scapular winging due to Parsonage Turner Syndrome.

Case Description or Program Description: 32-year-old female presented with 3 week history of anterolateral right shoulder pain. Prior to the onset of her shoulder pain, she had an upper respiratory infection and had developed right shoulder weakness. On physical examination, she was noted to have medial scapular winging, as well as pain with rotator cuff testing. Ultrasound evaluation revealed subacromial bursitis, but no rotator cuff tear. She received a subacromial bursa injection with resolution of her pain.

Setting: Tertiary Care Academic Medical Center

Assessment/Results: Electrodiagnostic testing was subsequently performed to assess her weakness, revealing a long thoracic neuropathy likely due to Parsonage Turner Syndrome.

Discussion (relevance): This is a case of Parsonage Turner Syndrome resulting in a long thoracic neuropathy and medial scapular winging, which initially presented as anterolateral shoulder pain due to subacromial bursitis. The medial scapular winging led to a posteroinferiorly rotated acromion. This position of the acromion stretches the deltoid and reduces the subacromial space, increasing the likelihood for impingement and subsequent bursitis to occur.

Conclusions: Patients with medial scapular winging due to long thoracic neuropathy from Parsonage Turner Syndrome can develop subsequent musculoskeletal disorders such as subacromial bursitis.