scholarly journals The Usefulness of Dual-Layer Spectral Computed Tomography for Myelography: A Case Report and Review of the Literature

2018 ◽  
Vol 2018 ◽  
pp. 1-4 ◽  
Author(s):  
Yuji Iyama ◽  
Takeshi Nakaura ◽  
Ayumi Iyama ◽  
Kazuhiro Katahira ◽  
Yasuyuki Yamashita
Keyword(s):  
Computed Tomography ◽  
Spectral Analysis ◽  
Spinal Canal ◽  
Leg Pain ◽  
Monochromatic Imaging ◽  
Canal Stenosis ◽  
Spectral Computed Tomography ◽  
Spectral Detector Ct ◽  
Magnetic Resonance Imaging Mri

We describe a case of lumbar stenosis in which retrospective spectral analysis using dual-layer spectral detector computed tomography (CT) had the ability to expand the evaluable region in the spinal canal. Spinal canal stenosis is a common condition whose symptoms (such as lower back and leg pain with walking) deteriorate the quality of life. Generally, magnetic resonance imaging (MRI) and CT myelography are performed to diagnose canal stenosis. Dual-layer spectral detector CT can yield virtual monochromatic imaging and retrospective on-demand spectral analysis without a prescan setting. Spectral analysis could expand the evaluable region in the spinal canal for increasing the contrast enhancement in the canal.

scholarly journals Optimal Monochromatic Imaging of Spectral Computed Tomography Potentially Improves the Quality of Hepatic Vascular Imaging

2018 ◽  
Vol 19 (4) ◽  
pp. 578 ◽  
Author(s):  
Xiao-Ping Yin ◽  
Bu-Lang Gao ◽  
Cai-Ying Li ◽  
Huan Zhou ◽  
Liang Zhao ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Vascular Imaging ◽  
Monochromatic Imaging ◽  
Spectral Computed Tomography

Correlation of axial loaded magnetic resonance imaging with clinical symptoms in lumbar spinal canal stenosis patients

MedPharmRes ◽  
2019 ◽  
Vol 2 (4) ◽  
pp. 15-19
Author(s):  
Son Nguyen ◽  
Son Vi ◽  
Hoat Luu ◽  
Toan Do
Keyword(s):  
Spinal Canal ◽  
Clinical Symptoms ◽  
Axial Loading ◽  
Spinal Canal Stenosis ◽  
Leg Pain ◽  
Cross Sectional ◽  
Canal Stenosis ◽  
Conventional Mri ◽  
Frame System ◽  
Lumbar Spinal

There are cases when symptoms are available but no abnormal stenosis is found in MRI and vice versa. Axial-loaded MRI has been shown that it can demonstrate more accurately the real status of spinal canal stenosis than conventional MRI. This is the first time we applied a new system that we have recreated from the original loading frame system in order to fit with the demands of Vietnamese people. Sixty-two patients were selected from Phu Tho Hospital in Phu Tho Province, Vietnam, who fulfilled the inclusion criteria. The Anterior-posterior diameter (APD), Dura Cross-sectional Area (DSCA) in conventional MRI and axial loaded MRI, and changes in APD and DCSA were determined at the single most constricted intervertebral level. The APD and DCSA in axial loaded MRI had very good significant correlations with VAS for back pain (rs=0.83, 0.79), leg pain (rs=0.69, 0.57) and JOA score (rs=0.70, 0.65). APD and DCSA in axial loaded MRI significantly correlated with the severity of symptoms. Our axial loading MRI provides more valuable information than the conventional MRI for assessing patients with LSCS.

scholarly journals “Slalom”: Microsurgical Cross-Over Decompression for Multilevel Degenerative Lumbar Stenosis

2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
H. Michael Mayer ◽  
Franziska Heider
Keyword(s):  
Spinal Stenosis ◽  
Lumbar Spinal Stenosis ◽  
Spinal Canal ◽  
Facet Joint ◽  
Leg Pain ◽  
Degenerative Lumbar Spinal Stenosis ◽  
Canal Stenosis ◽  
Microsurgical Decompression ◽  
Lumbar Spinal Canal ◽  
Lumbar Spinal

Objective.Selective, bilateral multisegmental microsurgical decompression of lumbar spinal canal stenosis through separate, alternating cross-over approaches.Indications. Two-segmental and multisegmental degenerative central and lateral lumbar spinal stenosis.Contraindications. None.Surgical Technique.Minimally invasive, muscle, and facet joint-sparing bilateral decompression of the lumbar spinal canal through 2 or more alternating microsurgical cross-over approaches from one side.Results.From December 2010 until December 2015 we operated on 202 patients with 2 or multisegmental stenosis (115 f; 87 m; average age 69.3 yrs, range 51–91 yrs). All patients were suffering from symptoms typical of a degenerative lumbar spinal stenosis. All patients complained about back pain; however the leg symptoms were dominant in all cases. Per decompressed segment, the average OR time was 36 min and the blood loss 45.7 cc. Patients were mobilized 6 hrs postop and hospitalization averaged 5.9 days. A total of 116/202 patients did not need submuscular drainage. 27/202 patients suffered from a complication (13.4%). Dural tears occurred in 3.5%, an epidural hematoma in 5.5%, a deep wound infection in 1.98%, and a temporary radiculopathy postop in 1.5%. Postop follow-up ranged from 12 to 24 months. There was a significant improvement of EQ 5 D, Oswestry Disability Index (ODI), VAS for Back and Leg Pain, and preoperative standing times and walking distances.

scholarly journals Lumbar unilateral laminotomy for bilateral decompression in lumbar spinal stenosis

2020 ◽  
pp. 141-146
Author(s):  
Amin Sabry ◽  
Wael Zakarya ◽  
Amr Farid Khalil
Keyword(s):  
Back Pain ◽  
Leg Pain ◽  
Surgical Approaches ◽  
Low Back ◽  
Slight Improvement ◽  
University Hospitals ◽  
Canal Stenosis ◽  
Operative Outcomes ◽  
Lumbar Spinal

Background: Multiple surgical approaches are existing for the management of lumbar canal stenosis.Objective: This study was conducted to assess the outcomes of unilateral laminotomy with bilateral decompression in such cases.Patients and methods: This prospective study was conducted at Mansoura University Hospitals, and we included a total of 12 cases with lumbar canal stenosis. All cases underwent unilateral laminotomy with bilateral canal decompression during the period between July 2017 and July 2018. Post-operative outcomes included ODI, and VAS score for both leg and back pain.Results: The age of the cases ranged between 38 and 62 years. We included 7 males and 5 females. ODI, lower extremity, and back pain showed a significant decrease after the operation (p < 0.05).Conclusion: Unilateral laminotomy with bilateral canal decompression is a safe and feasible approach to managing LSS. Excellent outcomes are expected regarding leg pain and quality of life, while slight improvement is anticipated regarding low back pain.

Effect of Pedicle Lengthening Screw on Biomechanics of Lumbar Spine

2010 ◽  
Author(s):  
A. Kiapour ◽  
V. K. Goel
Keyword(s):  
Spinal Stenosis ◽  
Spinal Canal ◽  
New Technology ◽  
Surgical Decompression ◽  
Leg Pain ◽  
Lumbar Spinal Canal Stenosis ◽  
Canal Stenosis ◽  
Long Run ◽  
Lumbar Spinal Canal ◽  
Lumbar Spinal

Lumbar spinal canal stenosis is a common cause of back and leg pain which occurs as the lumbar spinal canal narrows. The current surgical treatment for many patients with spinal stenosis is surgical decompression and spinal fusion with instrumentation. However there are several drawbacks associated with fusion surgeries including degenerative effect at segments adjacent to the fusion in long run [1,2]. Pedicle lengthening device is a new technology which is designed to be applied for treatment of spinal stenosis and replace the traditional fusion techniques.

scholarly journals Lumbar Chordoma Presenting as an Epidural Collection with Vertebral Destruction- An Unusual Cause of Lumbar Canal Stenosis

2021 ◽  
Author(s):  
Sibhi Ganapathy ◽  
Rajesh Raykar ◽  
Renuka Malipatel ◽  
Preethilata Rout ◽  
Shailesh AV Rao
Keyword(s):  
Vertebral Body ◽  
Spinal Canal ◽  
Radicular Pain ◽  
Foetal Development ◽  
Left Behind ◽  
Canal Stenosis ◽  
Mobile Spine ◽  
Analgesic Medication ◽  
Pyogenic Osteomyelitis

Chordomas are locally aggressive neoplastic lesions that arise from physalipherous cell nests that originate from notochordal remnants left behind during early foetal development. Chordomas of the mobile spine (C3-L5) constitute less than 5% of the overall incidence of chordomas in the spine. They generally are osteodestructive leading to vertebral collapse and severe deficits including paraplegia and quadriplegia. Here authors presented a case of 26-year-old female presented with severe bilateral L5 radicular pain, no deficits and intact bladder and bowel control. The pain was progressive and resistant to analgesic medication. On imaging a collection in the lumbar spine emanating from the L5 vertebral body extending into the canal leading to secondary spinal canal stenosis was observed. On surgical exploration a soft friable vascular mass compressing the dural tube and the exiting nerve roots was observed and the mass was analysed and found to be a chordoma. Although, these lesions are seen to compress the vital neural elements of the spine, the presence of a collection in the spinal canal was unusual and resembled tuberculosis which is a much common lesion, or pyogenic osteomyelitis of the vertebral body. Both differentials were proven wrong. Such an approach not only detected and treated the lesion early, but good rehabilitation and adjuvant therapy was initiated enabling excellent overall quality of life to the patient.

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