Parsonage-Turner syndrome


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neu·ral·gic a·my·ot·ro·phy

a neurologic disorder, of unknown cause, characterized by the sudden onset of severe pain, usually about the shoulder and often beginning at night, soon followed by weakness and wasting of various forequarter muscles, particularly shoulder girdle muscles; both sporadic and familial in occurrence with the former much more common; often preceded by some antecedent event, such as an upper respiratory infection, hospitalization, vaccination, or nonspecific trauma; usually attributed to a brachial plexus lesion, because the nerve fibers involved are most often derived from the upper trunk.

shoulder girdle syndrome

A condition evoked by upregulation of the sympathetic nervous system.
 
Aetiology
Contusions, fractures, neurovascular injuries.
 
Clinical findings
Acute searing pain, marked muscle-weakness, vasomotor lability, oedema, osteoporosis and, with time, wasting of the shoulder girdle and upper arm.
 
DiffDx
• Acute phase—Frozen shoulder, calcific tendonitis or arthritis.
• Chronic phase—Rotator cuff tears, nerve root compression.
References in periodicals archive ?
Parsonage-Turner syndrome is a rare syndrome of unknown etiology affecting the brachial plexus.
(1,3) Parsonage-Turner syndrome (PTS) is characterized by the inflammation of nerves that innervate the muscles of the chest, shoulders and arms.
(1,2) Though NA is also known as Parsonage-Turner syndrome, it may additionally be referred to as acute brachial neuritis, acute brachial plexitis, acute brachial neuropathy, Kiloh-Nevin syndrome, brachial plexus neuropathy, idiopathic brachial plexopathy, idiopathic brachial neuritis, localized neuritis of the shoulder girdle, multiple neuritis of the shoulder girdle, paralytic brachial neuritis, serum neuritis, shoulder girdle neuritis, or shoulder girdle syndrome.
(4,5) Though Parsonage and Turner referred to this disorder as neuralgic amyotrophy, it has become commonly referred to as Parsonage-Turner syndrome as well.
Acute brachial neuritis (Parsonage-Turner syndrome): MR imaging appearance--report of three cases.
In the upper limb, this (idiopathic) inflammatory plexopathy is much more common and known as Parsonage-Turner syndrome. In the lower limb, only a few cases of postsurgical inflammatory neuropathy were described.
In developing countries, cases describing neurologic involvement during acute HEV infection have also been reported (6,7): most concerned Guillain-Barre syndrome (GBS) and Parsonage-Turner syndrome (PTS).
Cervical spondylodiscitis caused by Streptococcus agalactiae and Parsonage-Turner syndrome
Isolated unilateral brachial neuritis of the phrenic nerve (Parsonage-turner syndrome) in a marathon runner with exertional dyspnea.
From post-dural puncture headache (not an uncommon pain syndrome where I practise) to Parsonage-Turner Syndrome (brachial neuritis) to fibulocalcaneal pain syndrome (sprained ankle), most structures that could give rise to pain as a result of degeneration or over-use are mentioned.