Spinal accessory neuropathy, droopy shoulder, and thoracic outlet syndrome. Muscle & nerve. [Muscle Nerve] Journal article

Title	Spinal accessory neuropathy, droopy shoulder, and thoracic outlet syndrome.
Author(s)	Al-Shekhlee A, Katirji B
Institution	Neuromuscular Division , Department of Neurology, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, 11100 Euclid Avenue, Hanna Building, Fifth Floor, Cleveland, Ohio 44106-5040, USA. amer.alshekhlee2@uhhs.com
Source	Muscle Nerve 2003 Sep; 28(3):383-5.
MeSH	Accessory Nerve Accessory Nerve Diseases Adult Axillary Artery Brachial Plexus Female Humans Male Muscle Weakness Muscle, Skeletal Neural Conduction Postoperative Complications Sentinel Lymph Node Biopsy Shoulder Thoracic Outlet Syndrome
Abstract	Droopy shoulder has been proposed as a cause of thoracic outlet syndrome. Two patients developed manifestations of neurovascular compression upon arm abduction, associated with unilateral droopy shoulder and trapezius muscle weakness caused by iatrogenic spinal accessory neuropathies following cervical lymph node biopsies. The first patient developed a cold, numb hand with complete axillary artery occlusion when his arm was abducted to 90 degrees. The second patient complained of paresthesias in digits 4 and 5 of the right hand, worsened by elevation of the arm, with nerve conduction findings of right lower trunk plexopathy (low ulnar and medial antebrachial cutaneous sensory nerve action potentials). Spinal accessory nerve grafting (in the first patient) coupled with shoulder strengthening physical exercises in both patients resulted in gradual improvement of symptoms in 2 years. These two cases demonstrate that unilateral droopy shoulder secondary to trapezius muscle weakness may cause compression of the thoracic outlet structures.
Language	eng
Pub Type(s)	Case Reports Journal Article
PubMed ID	12929202

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