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Arch Pediatr Adolesc Med. 2009;163(3):276.

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Denouement and Discussion: Diagnosis: Parsonage-Turner Syndrome

The image depicts a left-winged scapula resulting from shoulder girdle weakness. After plain radiographs showed no abnormalities, magnetic resonance imaging of the cervical spine and shoulder revealed high T2 signal intensity of the long thoracic, suprascapular, and axillary nerves and fatty atrophy of the muscles, confirming the diagnosis of Parsonage-Turner syndrome (PTS) (otherwise known as brachial neuritis, neuralgic amyotrophy, and idiopathic brachial neuritis).^1-2

Parsonage-Turner syndrome is a condition that was first described in 1948 in a case series of 136 patients.^3-4 Typically, PTS presents with abrupt onset of moderate shoulder pain followed by variable weakness of the shoulder girdle. Patients with PTS usually describe a sharp onset of pain that subsides in days to weeks and is slowly replaced with a dull ache. Weakness develops after the resolution of the initial pain, and there is usually normal sensation.^1-2 Involved muscles are those innervated by the brachial plexus (C5-C8), most commonly . . . [Full Text of this Article]

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Arch Pediatr Adolesc Med. 2009;163(3):275.
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