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Compressive myelopathy: magnetic resonance imaging findings simulating idiopathic acute transverse myelopathy.
MedLine Citation:
PMID:  23299512     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To provide magnetic resonance imaging (MRI) findings of compressive myelopathy simulating idiopathic acute transverse myelopathy (ATM). MATERIALS AND METHODS: From 19,416 patients who had spinal MRI from 1 September 2004 to 10 July 2011, the patients who met inclusion criteria were enrolled as follows: (1) definable cord compression, (2) long-segmental intramedullary T2-high signal intensity (HSI) extending more than 2 vertebral segments, and (3) no history of trauma, malignancy, or demyelinating disease. The characteristics of T2-HSI and contrast enhancement pattern were analyzed. The patients' clinical information was collected in the process. RESULTS: Thirteen patients (10 men, 3 women; mean age, 52.8 years; age range, 43-77 years) were included in this study. Twelve patients had cervical cord compression and one had thoracic compression. Common findings of T2-HSI included fusiform shape (100 %) with cord swelling (92.3 %), cord compression in midline location (76.9 %), diffuse distribution occupying more than two-thirds of the cross-sectional dimension of the cord in axial image (84.6 %), and focal and peripheral enhancement (63.6 %). Intravenous corticosteroid was administered to four patients, including two patients following decompressive surgery, and interval decrease in T2-HSI was seen in three patients, but with residual lesions at cord compression level. CONCLUSIONS: Spinal cord compression can induce long-segmental cord signal change, such as idiopathic ATM.
Authors:
Yun Jung Bae; Joon Woo Lee; Kyung Seok Park; Jin S Yeom; Ki-Jeong Kim; Guen Young Lee; Heung Sik Kang
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-9
Journal Detail:
Title:  Skeletal radiology     Volume:  -     ISSN:  1432-2161     ISO Abbreviation:  Skeletal Radiol.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7701953     Medline TA:  Skeletal Radiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Radiology, Seoul National University Bundang Hospital, 166, Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea.
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