The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc Herniation
Intradural extra-arachnoid lumbar disc herniation is a rare disease. Few MRI findings have been reported. We experienced an intradural extra-arachnoid lumbar disc herniation. We reviewed the preoperative MRI findings. Lumbar spine T2-weighted sagittal MRI showed that one line of the ventral dura was...
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | Case Reports in Medicine |
| Online Access: | http://dx.doi.org/10.1155/2012/383451 |
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| author | Tatsuro Sasaji Kiyoshi Horaguchi Noboru Yamada Kazuo Iwai |
| author_facet | Tatsuro Sasaji Kiyoshi Horaguchi Noboru Yamada Kazuo Iwai |
| author_sort | Tatsuro Sasaji |
| collection | DOAJ |
| description | Intradural extra-arachnoid lumbar disc herniation is a rare disease. Few MRI findings have been reported. We experienced an intradural extra-arachnoid lumbar disc herniation. We reviewed the preoperative MRI findings. Lumbar spine T2-weighted sagittal MRI showed that one line of the ventral dura was divided into two by a disc herniation. We speculated that the two lines comprised the dura and arachnoid and that a disc herniation existed between them. We believe that division of the ventral dural line on T2-weighted sagittal images is a characteristic finding of intradural extra-arachnoid lumbar disc herniation. The division of ventral dural line seemed to be a “Y,” and, thus, we called it the “Y sign.” The “Y sign” may be useful for diagnosing intradural extra-arachnoid lumbar disc herniation. |
| format | Article |
| id | doaj-art-3e82982eee7f43edba267b3964437973 |
| institution | Kabale University |
| issn | 1687-9627 1687-9635 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Case Reports in Medicine |
| spelling | doaj-art-3e82982eee7f43edba267b39644379732025-08-20T03:55:41ZengWileyCase Reports in Medicine1687-96271687-96352012-01-01201210.1155/2012/383451383451The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc HerniationTatsuro Sasaji0Kiyoshi Horaguchi1Noboru Yamada2Kazuo Iwai3Department of Orthopedic Surgery, Fukushima Rosai Hospital, 3-Numajiri, Tsuzura-machi, Uchigo, Iwaki 973-8403, JapanDepartment of Orthopedic Surgery, Fukushima Rosai Hospital, 3-Numajiri, Tsuzura-machi, Uchigo, Iwaki 973-8403, JapanDepartment of Orthopedic Surgery, Fukushima Rosai Hospital, 3-Numajiri, Tsuzura-machi, Uchigo, Iwaki 973-8403, JapanDepartment of Orthopedic Surgery, Fukushima Rosai Hospital, 3-Numajiri, Tsuzura-machi, Uchigo, Iwaki 973-8403, JapanIntradural extra-arachnoid lumbar disc herniation is a rare disease. Few MRI findings have been reported. We experienced an intradural extra-arachnoid lumbar disc herniation. We reviewed the preoperative MRI findings. Lumbar spine T2-weighted sagittal MRI showed that one line of the ventral dura was divided into two by a disc herniation. We speculated that the two lines comprised the dura and arachnoid and that a disc herniation existed between them. We believe that division of the ventral dural line on T2-weighted sagittal images is a characteristic finding of intradural extra-arachnoid lumbar disc herniation. The division of ventral dural line seemed to be a “Y,” and, thus, we called it the “Y sign.” The “Y sign” may be useful for diagnosing intradural extra-arachnoid lumbar disc herniation.http://dx.doi.org/10.1155/2012/383451 |
| spellingShingle | Tatsuro Sasaji Kiyoshi Horaguchi Noboru Yamada Kazuo Iwai The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc Herniation Case Reports in Medicine |
| title | The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc Herniation |
| title_full | The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc Herniation |
| title_fullStr | The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc Herniation |
| title_full_unstemmed | The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc Herniation |
| title_short | The Specific Sagittal Magnetic Resonance Imaging of Intradural Extra-Arachnoid Lumbar Disc Herniation |
| title_sort | specific sagittal magnetic resonance imaging of intradural extra arachnoid lumbar disc herniation |
| url | http://dx.doi.org/10.1155/2012/383451 |
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