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Dura sac

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https://www.readbyqxmd.com/read/27817138/tophaceous-gout-of-the-lumbar-spine-mimicking-a-spinal-meningioma
#1
Pedro Ribeiro da Cunha, António Judice Peliz, Marcos Barbosa
PURPOSE: Although gout is a common metabolic disorder, it usually affects distal joints of the appendicular skeleton. Axial spine involvement is rare, with only 131 cases reported in the literature. The authors report a rare case of lumbar spinal gout mimicking a spinal meningioma. METHODS: A 77-year-old man with a history of gout presented with chronic low back pain and progressive paraparesis. Imaging revealed a lumbar spine compressive mass lesion with a dural tail signal...
November 5, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27693825/transforaminal-endoscopic-system-technique-for-discogenic-low-back-pain-a-prospective-cohort-study
#2
Fumin Pan, Bin Shen, Surendra K Chy, Zhiyao Yong, Xiaoming Liu, Zhaoyu Ba, Zhonghan Liu, Jianguang Zhu, Desheng Wu
OBJECTIVE: To investigate the clinical outcomes of transforaminal endoscopic system(TESSYS) for discogenic low back pain(DLBP). METHODS: 62 consecutive patients with one-level DLBP applying to the including criteria underwent TESSYS from January 2010 to December 2013. These patients included 38 males and 24 females with a mean age of 42.7 ± 5.4 years (range, 18-73 yr) and a mean follow-up of 26.8 ± 4.2 months (range, 12-48 months). The visual analog scale (VAS) were used for back pain, the Oswestry Disability Index (ODI) for lumbar function, and the modified MacNab criteria for clinical global outcomes...
September 28, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27415595/epidural-fibrosis-seen-from-a-different-angle-extraforaminal-lumbar-interbody-fusion
#3
Arthur Robert Kurzbuch, Didier Recoules-Arche
Background Postoperative epidural fibrosis (PEF) localized around the exposed dura and nerve roots is a known radiologic entity seen after lumbar surgery. Although excessive PEF is associated with residual and new lumbar pain and radiculopathy, its role as the generator of the pain is still discussed. Various materials acting as an adhesion barrier have been tested. There is no undebated class I evidence that any one of them is suitable to reduce or avoid PEF and provide a better clinical outcome. In revision surgery, the dissection of epidural scar tissue is time consuming and related to an elevated risk of dural tear and nerve damage...
July 14, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27307901/endolymphatic-sac-tumor
#4
Manoj Kumar, Raghu Ramakrishnaiah, Yousaf Muhhamad, Rudy Van Hemert, Edgardo Angtuaco
Endolymphatic sac tumor is an uncommon, locally aggressive tumor. The tumor is located in the medial and posterior petrosal bone region and may involve the dura. A hypervascular tumor involving the endolymphatic sac with destructive changes, it involves the bone and may show reactive new bone formation. Diagnosis is based on clinical, radiological, and pathological correlation. We present a case of endolymphatic sac tumor in a 24-year-old female who presented with a chief complaint of hearing loss.
2011: Radiology case reports
https://www.readbyqxmd.com/read/27194987/simultaneous-spinal-and-intracranial-chronic-subdural-hematoma-cured-by-craniotomy-and-laminectomy-a-video-case-report
#5
Hideki Kanamaru, Kenji Kanamaru, Tomohiro Araki, Kazuhide Hamada
Simultaneous spinal and intracranial chronic subdural hematoma (CSDH) is a rare entity. A 67-year-old man visited our hospital due to headache after diving into a river 2 weeks before. Non-enhanced computed tomography (CT) and magnetic resonance imaging (MRI) revealed bilateral intracranial CSDH. The bilateral CSDH was evacuated and his symptoms improved. Three days after craniotomy, he complained of sensory disturbance on his buttocks. Lumbar MRI showed a space-occupying lesion behind the thecal sac at L5...
January 2016: Case Reports in Neurology
https://www.readbyqxmd.com/read/27169092/middle-meningeal-artery-embolization-in-recurrent-chronic-subdural-hematoma-combined-with-arachnoid-cyst
#6
Jiin Kang, Kum Whang, Soon-Ki Hong, Jin-Soo Pyen, Sung-Min Cho, Jong-Yeon Kim, So-Hyun Kim, Ji-Woong Oh
Chronic subdural hematoma (CSDH) is a collection of old blood and its breakdown products between the surface of the brain parenchyma and the outermost layer called the dura. The most common treatment option for primary CSDH is burr-hole trephination; however, the treatment method for recurrent CSDH is still widely debated. An arachnoid cyst (AC) is a sac filled with cerebrospinal fluid located between the brain or spinal cord and the arachnoid membrane, which is one of the three meninges covering the brain or spinal cord...
October 2015: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/27046576/a-framework-for-patient-specific-spinal-intervention-simulation-application-to-lumbar-spinal-durotomy-repair
#7
Jonathan C Lau, Lynn Denning, Stephen P Lownie, Terry M Peters, Elvis C S Chen
We present a functional and patient-specific lumbar phantom for the training of spinal durotomy and dura closure under microscopic view, consisting of a lumbar model, pressurized dural surrogate, together immersed in a tissue-mimicking layer simulating fat, muscle and skin. The lumbar model was derived from a patient computed tomography scan, preserving the natural shape and curvature of the lumbar column. The inclusion of the simulated soft-tissue layer was critical for preserving the surgical ergonomics and presented a realistic view under the surgical microscope...
2016: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/27003811/usefulness-of-the-radiological-planning-for-hearing-preservation-surgery-in-vestibular-schwannoma
#8
Kamil Krystkiewicz, Tymon Skadorwa, Paweł Szaro, Bogdan Ciszek
PURPOSE: During vestibular schwannoma surgery there is a risk of endolymphatic duct and sac injury, which may cause a loss or a deterioration of hearing. The goal of the study was to evaluate the empirical utility of presurgical planning using CT with the bone window for the hearing preservation surgery. METHODS: The study was performed on 14 human temporal bones. CT scans with the bone window were obtained in the standard position. Safe drilling line was evaluated and after that drilling distances were analysed: the lateral drilling distance, total length of internal acoustic meatus, drilled length of internal acoustic meatus...
March 22, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/26933371/imaging-in-hirayama-disease
#9
Keshav Gupta, Shashank Sood, Jayesh Modi, Rajiv Gupta
Hirayama disease, also known as Sobue disease is a rare nonprogressive spinal muscular atrophy. Here, we report a case series of three young males presenting with atrophy of distal upper limb and Hirayama disease as their clinico-radiological diagnosis. Magnetic resonance imaging (MRI) revealed loss of cervical lordosis with focal areas of lower cervical cord atrophy in a neutral position. MRI in flexion position revealed, anterior displacement of the detached posterior dura from the underlying lamina compressing the thecal sac and widened posterior epidural space with flow voids seen better on 3D-CISS images...
January 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/26921138/migrating-bullet-in-the-thecal-sac-at-the-level-of-the-conus-medullaris-without-neurological-deficit
#10
Orkun Koban, Hasan Çal, Murat Şakir Ekşi, Emel Ece Özcan-Ekşi, Ahmet Öğrenci
Bullets can lodge in the organs, blood vessels or thecal sac. To our knowledge, a migrating bullet at the level of the conus medullaris without neurological deficit has never been reported. We present our patient along with a discussion of bullet migration in the spinal canal and its mechanisms, diagnosis and treatment. A 29-year-old man was admitted to the emergency department due to a gunshot wound in the right upper quadrant of his abdomen. He had no neurological deficit. Spinal CT scan and plain radiography showed the bullet had passed through the L2 vertebral body and had migrated downwards until it had lost its energy and come to rest in the spinal canal at the L3 vertebra level...
July 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/26757524/-correlation-study-of-spinal-canal-and-dural-sac-dimensions-on-mri-with-therapy-of-lumbar-disc-herniation
#11
Qiang Tang, Shuai Yuan, Wei-dong Wang, Kang-mei Kong, Xin-jia Wang
OBJECTIVE: To explore the value of spinal canal and dural sac dimensions for the treatment of lumbar disc herniation in MRI. METHODS: The clinical data of 144 patients with single-level lumbar disc herniation underwent nonsurgical or surgical treatment from January 2010 to December 2012 were retrospectively analyzed. There were 91 patients in the nonsurgical group, including 55 males and 36 females, ranging in age from 20 to 68 years old with an average of (43.37±12...
November 2015: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/26692704/marsupialization-and-distal-obliteration-of-a-lumbosacral-dural-ectasia-in-a-nonsyndromic-adult-patient
#12
Ha Son Nguyen, Andrew Lozen, Ninh Doan, Michael Gelsomin, Saman Shabani, Dennis Maiman
Dural ectasia is frequently associated with connective tissue disorders or inflammatory conditions. Presentation in a patient without known risk factors is rare. Moreover, the literature regarding the treatment options for symptomatic dural ectasia is controversial, variable, and limited. A 62-year-old female presents with intractable, postural headaches for years. A lumbar puncture revealed opening pressure 3 cm of water. A computed tomography myelogram of the spine demonstrated erosion of her sacrum due to a large lumbosacral dural ectasia...
October 2015: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/26208913/expression-of-histamine-receptors-in-the-human-endolymphatic-sac-the-molecular-rationale-for-betahistine-use-in-menieres-disease
#13
M Nue Møller, S Kirkeby, J Vikeså, F Cilius Nielsen, P Caye-Thomasen
The human endolymphatic sac (ES) is situated in a duplicature of the dura in the posterior cranial fossa and constitutes a part of the inner ear. The sac possesses immunological capacities and is responsible for a major part of the trans-epithelial ion transport occurring within the inner ear, via molecular mechanisms similar to that of the kidney collecting duct epithelia. Dysfunction of the trans-epithelial ion transport has been hypothesized as the reason for the endolymphatic hydrops occurring in Menieres diseases...
July 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/26186357/accidental-intracranial-infusion-of-parenteral-nutrition-in-a-preterm-neonate
#14
Amir Ahmadian, Jotham Manwaring, Devon Truong, Jeane McCarthy, Luis F Rodriguez, Carolyn M Carey, Gerald F Tuite
Vascular access in the neonate can be challenging, especially in preterm infants. When other access is not available, superficial scalp veins can be safely used for vascular access. However, rare and potentially catastrophic complications can occur due to unique features of the neonatal skull and soft-tissue anatomy. The authors report a rare complication of vascular access in a preterm infant, which led to the direct infusion of parenteral nutrition into the intracranial space. The child had an excellent outcome after open drainage and irrigation of bilateral intracranial spaces and the spinal thecal sac...
October 2015: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/25955087/anatomic-study-and-clinical-significance-of-the-dorsal-meningovertebral-ligaments-of-the-thoracic-dura-mater
#15
Rongzi Chen, Benchao Shi, Xuefeng Zheng, Zhilai Zhou, Anmin Jin, Zihai Ding, Hai Lv, Hui Zhang
STUDY DESIGN: A dissection-based study of 18 embalmed thoracic specimens. OBJECTIVE: To investigate the properties and clinical significance of the dorsal meningovertebral ligaments of the thoracic dura mater. SUMMARY OF BACKGROUND DATA: Previously, we performed a comprehensive anatomic study on the dorsal meningovertebral ligaments in the lumbosacral and cervical regions, whereby we concluded that the ligaments were an anatomic factor leading to dural laceration and hemorrhage during flavectomy and laminectomy...
May 15, 2015: Spine
https://www.readbyqxmd.com/read/25944396/clinicopathologic-study-of-endolymphatic-sac-tumor-elst-and-differential-diagnosis-of-papillary-tumors-located-at-the-cerebellopontine-angle
#16
Jiang Du, Junmei Wang, Yun Cui, Cuiping Zhang, Guilin Li, Jingyi Fang, Shenglin Yue, Li Xu
We investigated the clinicopathologic features and immunophenotypes of 10 cases of endolymphatic sac tumor (ELST) and compared them with other papillary tumors, including eight cases of choroid plexus papilloma (CPP), three cases of atypical choroid plexus papilloma (ACPP), two cases of papillary ependymoma (PE), three cases of papillary meningioma (PM) and two cases of metastatic carcinoma (MC) the at cerebellopontine angle (CPA). The age at onset of ELST ranged from 13 to 39 years. The male-to-female ratio was 1:1...
October 2015: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/25837174/efficacy-of-percutaneous-epidural-neuroplasty-does-not-correlate-with-dural-sac-cross-sectional-area-in-single-level-disc-disease
#17
COMPARATIVE STUDY
Gyu Yeul Ji, Chang Hyun Oh, Bongju Moon, Seung Hyun Choi, Dong Ah Shin, Young Sul Yoon, Keung Nyun Kim
PURPOSE: Percutaneous epidural neuroplasty (PEN) is a minimally invasive treatment. The efficacy of PEN has been relatively well investigated; however, the relationship between the clinical effectiveness of PEN and the severity of spinal canal stenosis by disc material has not yet been established. The purpose of this study was to compare clinical outcomes of PEN according to the dural sac cross-sectional area in single level disc disease. MATERIALS AND METHODS: This study included 363 patients with back pain from single level disc disease with and without radiculopathy...
May 2015: Yonsei Medical Journal
https://www.readbyqxmd.com/read/25802661/intracranial-subdural-hematoma-as-a-cause-of-postoperative-delirium-and-headache-in-cervical-laminoplasty-a-case-report-and-review-of-the-literature
#18
Hiroshi Habunaga, Hiroaki Nakamura
OBJECTIVES: To describe a rare case of acute intracranial subdural hematoma as a cause of postoperative delirium and headache following cervical spine surgery. SUMMARY OF BACKGROUND DATA: Headache is uncommon following spinal surgery, but can be observed in cases of accidental tearing of the dura during surgery. The causes of headache after surgery are thought to include dural tear and CSF leakage. On the other hand, intracranial subdural hematoma can be a cause of headache and cognitive dysfunction...
2011: SAS Journal
https://www.readbyqxmd.com/read/25779626/gene-expression-demonstrates-an-immunological-capacity-of-the-human-endolymphatic-sac
#19
Martin Nue Møller, Svend Kirkeby, Jonas Vikeså, Finn Cilius Nielsen, Per Cayé-Thomasen
OBJECTIVES/HYPOTHESIS: The purpose of the present study is to explore, demonstrate, and describe the expression of genes related to the innate immune system in the human endolymphatic sac. It is hypothesized that the endolymphatic sac has a significant immunological function in the human inner ear. STUDY DESIGN: DNA microarrays and immunohistochemistry were used for analyses of fresh human endolymphatic-sac tissue samples. METHODS: Twelve tissue samples from the human endolymphatic sac were obtained during translabyrinthine surgery for vestibular schwannoma...
August 2015: Laryngoscope
https://www.readbyqxmd.com/read/25658791/prostate-cancer-with-perineural-spread-and-dural-extension-causing-bilateral-lumbosacral-plexopathy-case-report
#20
Stepan Capek, Benjamin M Howe, Jennifer A Tracy, Joaquín J García, Kimberly K Amrami, Robert J Spinner
Perineural tumor spread in prostate cancer is emerging as a mechanism to explain select cases of neurological dysfunction and as a cause of morbidity and tumor recurrence. Perineural spread has been shown to extend from the prostate bed to the lumbosacral plexus and then distally to the sciatic nerve or proximally to the sacral and lumbar nerves and even intradurally. The authors present a case of a bilateral neoplastic lumbosacral plexopathy that can be explained anatomically as an extension of the same process: from one lumbosacral plexus to the contralateral one utilizing the dural sac as a bridge between the opposite sacral nerve roots...
April 2015: Journal of Neurosurgery
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