| Aberrant right subclavian artery encountered during debridement of T2 osteomyelitis and associated phlegmon. | |
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MedLine Citation:
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PMID: 21296290 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND CONTEXT: An aberrant right subclavian artery is a rare congenital abnormality of the aortic arch. The anomalous origin for the right subclavian artery arises as the last branch of the thoracic aorta. In the most common anomalous form, the right subclavian artery passes posterior to both the esophagus and trachea as it crosses midline to supply the right upper extremity. The aberrant right subclavian artery is often not symptomatic, but it can cause dysphagia. PURPOSE: To describe a case of an aberrant right subclavian artery discovered during debridement of T2 osteomyelitis. STUDY DESIGN: Case report. METHODS: A 49-year-old woman with diabetes was transferred to our institution with bilateral lower extremity weakness and incontinence of bowel and bladder function. Examination revealed no motor function in quadriceps, hamstrings, tibialis anterior, extensor hallucis longus, or gastrocsoleus complex of her bilateral lower extremities. RESULTS: Spinal computed tomography scan showed pathologic collapse of the T2 vertebra. Magnetic resonance (MR) demonstrated an abscess and a phlegmon anterior to T2. Magnetic resonance also demonstrated spinal cord compression at the T2 vertebral level, and T2-weighted MR demonstrated the presence of spinal cord signal changes. CONCLUSIONS: We report a rare case where an aberrant right subclavian artery was associated with a T2 osteomyelitis and paravertebral abscess. The intraoperative injury to this aberrant artery led to the eventual death of the patient. When planning an anterior approach to the upper thoracic region, surgeons should be aware of this anatomic variant of the subclavian artery and its associated aberrant recurrent laryngeal nerve. |
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Authors:
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Steven W Thorpe; Justin B Hohl; Sebastien Gilbert; Chadi A Tannoury; Joon Y Lee |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The spine journal : official journal of the North American Spine Society Volume: 11 ISSN: 1878-1632 ISO Abbreviation: Spine J Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-02-07 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101130732 Medline TA: Spine J Country: United States |
Other Details:
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Languages: eng Pagination: e6-e10 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Ave, Suite 1010, Pittsburgh, PA 15213, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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