| The anatomy of the thoracic spinal canal investigated with magnetic resonance imaging. | |
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MedLine Citation:
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PMID: 20304985 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: We investigated, with magnetic resonance imaging, the distance of the dura mater to the spinal cord in patients without spinal or medullar disease at the 2nd, 5th, and 10th thoracic segments. METHODS: Fifty patients in the supine position underwent magnetic resonance imaging. Medial sagittal slices of the 2nd, 5th, and 10th thoracic segments were measured for the relative distances using the 1.5-T superconducting system (Gyroscan Intera, Philips Medical Systems, Best, the Netherlands). In 10 patients, the angles relative to the tangent at the insertion point on the skin were measured. RESULTS: The posterior dural-spinal cord distance is significantly greater at the midthoracic region (5th thoracic = 5.8 +/- 0.8 mm) than at the upper (2nd thoracic = 3.9 +/- 0.8 mm) and lower thoracic levels (10th thoracic = 4.1 +/- 1.0 mm) (P < 0.015). There were no differences between interspaces T2 and T10. There was no correlation between age and the measured distance between the dura mater and the spinal cord. The entry angle of the needle at T2 was 9.0 degrees +/- 2.5 degrees ; at T5, 45.0 degrees +/- 7.4 degrees ; and at T10, 9.5 degrees +/- 4.2 degrees . CONCLUSIONS: This study demonstrated that there is greater depth of the posterior subarachnoid space at the T2, T5, and T10 levels. The greater distance was found at T5. |
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Authors:
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Luiz Eduardo Imbelloni; Marcelo Bianco Quirici; Jose Roberto Ferraz Filho; Jos? Antonio Cordeiro; Eliana Marisa Ganem |
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Publication Detail:
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Type: Journal Article Date: 2010-03-19 |
Journal Detail:
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Title: Anesthesia and analgesia Volume: 110 ISSN: 1526-7598 ISO Abbreviation: Anesth. Analg. Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-04-26 Completed Date: 2010-05-13 Revised Date: 2010-05-28 |
Medline Journal Info:
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Nlm Unique ID: 1310650 Medline TA: Anesth Analg Country: United States |
Other Details:
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Languages: eng Pagination: 1494-5 Citation Subset: AIM; IM |
Affiliation:
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Hospital de Base-FAMERP, S?o Jos? do Rio Preto, Sao Paulo, Brasil. dr.imbelloni@terra.com.br |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Dura Mater / anatomy & histology Female Humans Magnetic Resonance Imaging / methods* Male Middle Aged Needles Retrospective Studies Sex Characteristics Spinal Canal / anatomy & histology* Spinal Cord / anatomy & histology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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