Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral Discs
A 32-year-old man underwent radiofrequency thermal annuloplasty (TA) with percutaneous endoscopic discectomy (PED) under local anesthesia for chronic low back pain. His diagnosis was discogenic pain with a high signal intensity zone (HIZ) in the posterior corner of the L4-5 disc. Flexion pain was sp...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Case Reports in Orthopedics |
| Online Access: | http://dx.doi.org/10.1155/2014/245952 |
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| author | Kosuke Sugiura Ichiro Tonogai Tetsuya Matsuura Kosaku Higashino Toshinori Sakai Naoto Suzue Daisuke Hamada Tomohiro Goto Yoichiro Takata Toshihiko Nishisho Yuichiro Goda Ryosuke Sato Kenji Kondo Fumitake Tezuka Kazuaki Mineta Makoto Takeuchi Mitsuhiko Takahashi Hiroshi Egawa Koichi Sairyo |
| author_facet | Kosuke Sugiura Ichiro Tonogai Tetsuya Matsuura Kosaku Higashino Toshinori Sakai Naoto Suzue Daisuke Hamada Tomohiro Goto Yoichiro Takata Toshihiko Nishisho Yuichiro Goda Ryosuke Sato Kenji Kondo Fumitake Tezuka Kazuaki Mineta Makoto Takeuchi Mitsuhiko Takahashi Hiroshi Egawa Koichi Sairyo |
| author_sort | Kosuke Sugiura |
| collection | DOAJ |
| description | A 32-year-old man underwent radiofrequency thermal annuloplasty (TA) with percutaneous endoscopic discectomy (PED) under local anesthesia for chronic low back pain. His diagnosis was discogenic pain with a high signal intensity zone (HIZ) in the posterior corner of the L4-5 disc. Flexion pain was sporadic, and steroid injection was given twice for severe pain. After the third episode of strong pain, PED and TA were conducted. The discoscope was inserted into the posterior annulus and revealed a migrated white nucleus pulposus which was stained blue. Then, after moving the discoscope to the site of the HIZ, a migrated slightly red nucleus pulposus was found, suggesting inflammation and/or new vessels penetrating the mass. After removing the fragment, the HIZ site was ablated by TA. To our knowledge, this is the first report of the discoscopic findings of HIZ of the lumbar intervertebral disc. |
| format | Article |
| id | doaj-art-01a019024fb14285a9d89e9037c3c289 |
| institution | Kabale University |
| issn | 2090-6749 2090-6757 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Case Reports in Orthopedics |
| spelling | doaj-art-01a019024fb14285a9d89e9037c3c2892025-02-03T01:11:06ZengWileyCase Reports in Orthopedics2090-67492090-67572014-01-01201410.1155/2014/245952245952Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral DiscsKosuke Sugiura0Ichiro Tonogai1Tetsuya Matsuura2Kosaku Higashino3Toshinori Sakai4Naoto Suzue5Daisuke Hamada6Tomohiro Goto7Yoichiro Takata8Toshihiko Nishisho9Yuichiro Goda10Ryosuke Sato11Kenji Kondo12Fumitake Tezuka13Kazuaki Mineta14Makoto Takeuchi15Mitsuhiko Takahashi16Hiroshi Egawa17Koichi Sairyo18Department of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanDepartment of Orthopedics, The University of Tokushima, 3-18-15 Kuramoto, Tokushima 770-8503, JapanA 32-year-old man underwent radiofrequency thermal annuloplasty (TA) with percutaneous endoscopic discectomy (PED) under local anesthesia for chronic low back pain. His diagnosis was discogenic pain with a high signal intensity zone (HIZ) in the posterior corner of the L4-5 disc. Flexion pain was sporadic, and steroid injection was given twice for severe pain. After the third episode of strong pain, PED and TA were conducted. The discoscope was inserted into the posterior annulus and revealed a migrated white nucleus pulposus which was stained blue. Then, after moving the discoscope to the site of the HIZ, a migrated slightly red nucleus pulposus was found, suggesting inflammation and/or new vessels penetrating the mass. After removing the fragment, the HIZ site was ablated by TA. To our knowledge, this is the first report of the discoscopic findings of HIZ of the lumbar intervertebral disc.http://dx.doi.org/10.1155/2014/245952 |
| spellingShingle | Kosuke Sugiura Ichiro Tonogai Tetsuya Matsuura Kosaku Higashino Toshinori Sakai Naoto Suzue Daisuke Hamada Tomohiro Goto Yoichiro Takata Toshihiko Nishisho Yuichiro Goda Ryosuke Sato Kenji Kondo Fumitake Tezuka Kazuaki Mineta Makoto Takeuchi Mitsuhiko Takahashi Hiroshi Egawa Koichi Sairyo Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral Discs Case Reports in Orthopedics |
| title | Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral Discs |
| title_full | Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral Discs |
| title_fullStr | Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral Discs |
| title_full_unstemmed | Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral Discs |
| title_short | Discoscopic Findings of High Signal Intensity Zones on Magnetic Resonance Imaging of Lumbar Intervertebral Discs |
| title_sort | discoscopic findings of high signal intensity zones on magnetic resonance imaging of lumbar intervertebral discs |
| url | http://dx.doi.org/10.1155/2014/245952 |
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