UMEM Educational Pearls

Title: Parsonage Turner syndrome

Category: Orthopedics

Keywords: Shoulder pain, neuritis (PubMed Search)

Posted: 11/11/2017 by Brian Corwell, MD (Updated: 11/22/2024)
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Parsonage Turner syndrome aka Neuralgic amyotrophy

30 cases per 100,000

Under recognized and often missed

Unknown cause, perhaps post viral. Also reported post stress (surgery, pregnancy)

Can be B/L in 10 to 30%

CC: sudden onset of severe pain in the shoulder.

Can last for hours to weeks.

Radiates to upper arm.

As pain begins to subside, muscle weakness and sensory loss follows.

Can preferentially involve the suprascapular and axillary nerve.

Outpatient workup may include MRI and EMG

Treatment: Supportive. Consider a trial of oral steroids. Provide good pain control.

Majority of patients improve within 3 months. Though up to a third have persistent pain/functional deficit.