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https://www.readbyqxmd.com/read/28102813/intramedullary-amputation-neuroma-a-case-report-and-review-of-the-literature
#1
Laura Stone McGuire, Mandana Behbahini, Sumit Das, David Loeffler, Peter Burger, Herbert Engelhard, Tibor Valyi-Nagy, Ankit Mehta
BACKGROUND AND IMPORTANCE: Amputation neuromas consist of non-neoplastic collections of myelinated axons and Schwann cells and typically arise in injured peripheral nerves. Rarely, however, neuromas occur within the spinal cord. Intramedullary amputation neuromas have been described both with and without a history of trauma within the peripheral nervous system. We report a rare case of an isolated intramedullary spinal cord amputation neuroma. CLINICAL PRESENTATION: This 43-year-old man presented with progressive and severe gait deterioration for ~ 7 years...
January 19, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28101825/neurosarcoidosis-clinical-presentations-and-changing-treatment-patterns-in-an-irish-caucasian-population
#2
K O'Connell, L Williams, J Jones, D J H McCabe, D Murphy, R Killeen, N Tubridy, S O'Riordan, C McGuigan
BACKGROUND: The clinical manifestations of neurosarcoidosis are highly variable and it should be considered as a potential differential diagnosis in any neurological presentation. AIM: This study was designed to describe the clinical, diagnostic, and treatment patterns and functional outcome in a Caucasian neurosarcoidosis population. DESIGN: A retrospective analysis was performed on prospectively recorded data in patients attending our neurology clinic between 2008 and 2014 with a diagnosis of definite or probable neurosarcoidosis according to Zajiek criteria...
January 18, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28100198/mr-imaging-for-detection-of-trampoline-injuries-in-children
#3
E Hauth, H Jaeger, P Luckey, M Beer
BACKGROUND: The recreational use of trampolines is an increasingly popular activity among children and adolescents. Several studies reported about radiological findings in trampoline related injuries in children. The following publication presents our experience with MRI for detection of trampoline injuries in children. METHODS: 20 children (mean 9.2 years, range: 4-15 years) who had undergone an MRI study for detection of suspected trampoline injuries within one year were included...
January 18, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28099187/a-comparative-study-of-anterior-decompression-with-fusion-and-posterior-decompression-with-laminoplasty-for-the-treatment-of-cervical-spondylotic-myelopathy-patients-with-large-anterior-compression-of-the-spinal-cord
#4
Takashi Hirai, Toshitaka Yoshii, Yoshiyasu Arai, Kenichiro Sakai, Ichiro Torigoe, Hidetsugu Maehara, Masaki Tomori, Takashi Taniyama, Hirokazu Sato, Atsushi Okawa
STUDY DESIGN: This is a retrospective observational single-center study. OBJECTIVES: To compare anterior decompression and fusion (ADF) and laminoplasty (LAMP) for the treatment of cervical spondylotic myelopathy (CSM) patients with large anterior compression in terms of clinical and radiologic outcomes. SUMMARY OF BACKGROUND DATA: We have reported that insufficient posterior decompression could be often seen after laminoplasty for CSM patients with preoperative anterior clearance of the spinal cord, defined as an interval <4 mm between the preoperative the modified K-line and anterior structure of the spinal canal at most compressive segment on sagittal T1-weighted magnetic resonance imaging...
January 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28097250/spinal-cord-compression-from-wegener-s-granulomatosis-an-unusual-presentation
#5
Deb Roy, Prashanth J Rao, Kevin Phan, Ralph J Mobbs, Michael Selby
Wegener's granulomatosis (WG) causing spinal cord compression is very rare with only few cases reported in literature. We present a case report with review of literature. A 55-year-old lady with known WG presented with acute on chronic spinal cord compression. MRI scan revealed spinal cord compression anteriorly and posteriorly at T2-T5 level. Patient underwent urgent surgical decompression with excision of the posterior dural lesion with synthetic duraplasty. Patient made good neurological recovery. Histopathology revealed features consistent with WG...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28091734/level-of-conus-medullaris-termination-in-adult-population-analyzed-by-kinetic-magnetic-resonance-imaging
#6
An Liu, Kaixiang Yang, Daling Wang, Changqing Li, Zhiwei Ren, Shigui Yan, Zorica Buser, Jeffrey C Wang
PURPOSE: To investigate the change of conus medullaris termination (CMT) level in neutral, flexion and extension positions and to analyze the effects of age and gender on the CMT level. METHODS: The midline sagittal T2-weighted kinetic magnetic resonance imaging (kMRI) study of 585 patients was retrospectively reviewed to identify the level of CMT. All patients were in an upright position. A straight line perpendicular to the long axis of the cord was drawn from the tip of the cord and then subtended to the adjacent vertebra or disk space...
January 16, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28089563/diagnostic-and-prognostic-relevance-of-magnetic-resonance-imaging-and-electrophysiological-findings-in-acute-spinal-ischemia
#7
Dimitrios Artemis, Marc Wolf, Christian Blahak, Kristina Szabo, Michael G Hennerici, Marc Fatar
OBJECTIVE: Our purpose was to classify the rare entity of spontaneous spinal ischemia with clinical, magnetic resonance-tomographic, and electrophysiological parameters to determine criteria for outcome prediction. METHODS: We analyzed the stroke registry database of the University Hospital Mannheim, Germany, from 2004 to 2010 for patients with a diagnosis of vascular spinal cord ischemia. RESULTS: Ten patients were identified (mean age 65 years [range 50-83], 5 women)...
January 12, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28089418/distant-spread-of-a-supratentorial-glioblastoma-to-the-spinal-cord
#8
Krishnan Ravindran, Frank Gaillard, Arian Lasocki
Extracranial spread from a glioblastoma is rare. We present a case of a 48year-old man with a previously radiologically-stable left temporal lobe glioblastoma presenting with symptoms referrable to the spinal cord. MRI revealed a spinal cord lesion, with the differential including transverse myelitis and tumour. Open surgical biopsy revealed high-grade astrocytoma. Genetic analysis of both the supratentorial and spinal tumours revealed R132H IDH1 mutations, providing evidence that the spinal cord lesion had spread from the supratentorial tumour...
January 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28076019/viral-and-prion-infections-of-the-central-nervous-system-radiologic-pathologic-correlation-from-the-radiologic-pathology-archives
#9
Kelly K Koeller, Robert Y Shih
Viral infections of the central nervous system (CNS) range in clinical severity, with the most severe proving fatal within a matter of days. Some of the more than 100 different viruses known to affect the brain and spinal cord are neurotropic with a predilection for producing CNS infection. The host response to viral infection of the CNS is responsible for the pathophysiology and imaging findings seen in affected patients. Viral CNS infections can take the form of meningitis, encephalitis, encephalomyelitis, or, when involving the spinal cord and nerve roots, encephalomyeloradiculitis...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28074710/canine-spinal-cord-glioma
#10
Daniel R Rissi, Renee Barber, Annabelle Burnum, Andrew D Miller
Spinal cord glioma is uncommonly reported in dogs. We describe the clinicopathologic and diagnostic features of 7 cases of canine spinal cord glioma and briefly review the veterinary literature on this topic. The median age at presentation was 7.2 y. Six females and 1 male were affected and 4 dogs were brachycephalic. The clinical course lasted from 3 d to 12 wk, and clinical signs were progressive and associated with multiple suspected neuroanatomic locations in the spinal cord. Magnetic resonance imaging of 6 cases revealed T2-weighted hyperintense lesions with variable contrast enhancement in the spinal cord...
January 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28074492/confirmation-of-resting-state-bold-fluctuations-in-the-human-brainstem-and-spinal-cord-after-identification-and-removal-of-physiological-noise
#11
Shreyas Harita, Patrick W Stroman
PURPOSE: Resting-state functional MRI (rs-fMRI) has been used to investigate networks within the cortex, but its use in the brainstem (BS) and spinal cord (SC) has been limited. This region presents challenges for fMRI, partly because of sources of physiological noise. This study aims to quantify noise contributions to rs-fMRI, and to obtain evidence of resting-state blood oxygenation level-dependent (BOLD) fluctuations. METHODS: Resting-state-fMRI data were obtained from the BS/SC in 16 participants, at 3 Tesla, with T2 -weighted single-shot fast spin-echo imaging...
January 11, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28073868/delayed-diagnosis-of-fractured-anterior-arch-of-the-atlas-in-a-young-child
#12
Sergio B Sesia, Friederike Prüfer, Michael Walther, Daniel Studer
A 2-year-old girl fell off a bunk bed onto a parquet floor. She immediately reported neck pain and presented with muscle spasm and limited motion of the cervical spine (C-spine). Plain X-rays of the C-spine showed no osseous lesion. Owing to persisting pain and limited motion in the neck, MRI of the C-spine was obtained which revealed intact ligaments and cervical spinal cord, as well as soft tissue swelling in front of the anterior arch of the atlas. Subsequent CT of the C-spine confirmed a complete, undisplaced fracture of the anterior arch of the atlas (Gehweiler type I fracture)...
January 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28072809/optimal-angle-of-contralateral-oblique-view-in-cervical-interlaminar-epidural-injection-depending-on-the-needle-tip-position
#13
Jun Young Park, Myung-Hwan Karm, Doo Hwan Kim, Jae-Young Lee, Hye-Joo Yun, Jeong Hun Suh
BACKGROUND: Chronic neck and upper extremity pain associated with cervical origin is common, and cervical interlaminar epidural steroid injections (CILESIs) are frequently used to manage the symptoms of cervical spinal disorders. However, CILESIs are associated with risks such as dural puncture and cord injury. OBJECTIVES: We aimed to determine the optimal needle tip visualization, in order to minimize CILESIs-induced complications. STUDY DESIGN: Retrospective observational study...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28072502/wallerian-degeneration-beyond-the-corticospinal-tracts-conventional-and-advanced-mri-findings
#14
REVIEW
Yin Jie Chen, Seyed Ali Nabavizadeh, Arastoo Vossough, Sunil Kumar, Laurie A Loevner, Suyash Mohan
Wallerian degeneration (WD) is defined as progressive anterograde disintegration of axons and accompanying demyelination after an injury to the proximal axon or cell body. Since the 1980s and 1990s, conventional magnetic resonance imaging (MRI) sequences have been shown to be sensitive to changes of WD in the subacute to chronic phases. More recently, advanced MRI techniques, such as diffusion-weighted imaging (DWI) and diffusion tensor imaging (DTI), have demonstrated some of earliest changes attributed to acute WD, typically on the order of days...
November 7, 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28070886/spinal-cord-atrophy-in-anterior-posterior-direction-reflects-impairment-in-multiple-sclerosis
#15
H Lundell, O Svolgaard, A-M Dogonowski, J Romme Christensen, F Selleberg, P Soelberg Sørensen, M Blinkenberg, H R Siebner, E Garde
OBJECTIVE: To investigate how atrophy is distributed over the cross section of the upper cervical spinal cord and how this relates to functional impairment in multiple sclerosis (MS). METHODS: We analysed the structural brain MRI scans of 54 patients with relapsing-remitting MS (n=22), primary progressive MS (n=9), secondary progressive MS (n=23) and 23 age- and sex-matched healthy controls. We measured the cross-sectional area (CSA), left-right width (LRW) and anterior-posterior width (APW) of the spinal cord at the segmental level C2...
January 10, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28069364/compact-mri-for-the-detection-of-teratoma-development-following-intrathecal-human-embryonic-stem-cell-injection-in-nod-scid-mice
#16
Yuval Ramot, Yael S Schiffenbauer, Netanel Amouyal, Nathan Ezov, Michal Steiner, Michal Izrael, Neta Lavon, Arik Hasson, Michel Revel, Abraham Nyska
Stem cells are emerging as a promising new treatment modality for a variety of central nervous system disorders. However, their use is hampered by the potential for the development of teratomas and other tumors. Therefore, there is a crucial need for the development of methods for detecting teratomas in preclinical safety studies. The aim of the current study is to assess the ability of a compact Magnetic Resonance Imaging (MRI) system to detect teratoma formation in mice. Five NOD-SCID mice were injected intrathecally with human embryonic stem cells (hESCs), with two mice serving as controls...
January 6, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28068970/quadriplegia-caused-by-an-epidural-abscess-occurring-at-the-same-level-of-cervical-destructive-spondyloarthropathy-a-case-report
#17
Jun-Seok Lee, Ji-Hyun Ryu, Jong-Tae Park, Ki-Won Kim
BACKGROUND: Destructive spondyloarthropathy (DSA) is one of the major complications in patients undergoing long-term hemodialysis. To the best of our knowledge, an epidural abscess occurring at the level of preexisting cervical DSA has not been well described in the literature. We report a unique case of quadriplegia caused by an epidural abscess occurring at the same level of preexisting cervical DSA. CASE PRESENTATION: A 49-year-old woman was transferred to our emergency department with 5 days of sepsis, drowsy mental status, and quadriplegia below the C5 level...
January 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28067584/short-segment-myelitis-as-a-first-manifestation-of-neuromyelitis-optica-spectrum-disorders
#18
So-Young Huh, Su-Hyun Kim, Jae-Won Hyun, In Hye Jeong, Min Su Park, Sang-Hyun Lee, Ho Jin Kim
BACKGROUND: Some patients with neuromyelitis optica spectrum disorders (NMOSD) present with spinal cord lesions extending fewer than three vertebral segments (short transverse myelitis, STM), hindering an early diagnosis. OBJECTIVE: We investigated the frequency and imaging characteristics of STM lesions in patients presenting with myelitis as an initial manifestation of NMOSD. METHODS: Patients seen at three referral hospitals in Korea between June 2005 and March 2015 who met the following inclusion criteria were recruited for review: seropositivity for aquaporin-4 antibody, initial presentation with myelitis and spinal cord magnetic resonance imaging (MRI) performed within 1 month of initial myelitis onset...
January 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28065719/the-currarino-triad-what-pediatric-surgeons-need-to-know
#19
Amr Abdelhamid AbouZeid, Shaimaa Abdelsattar Mohammad, Mohammad Abolfotoh, Ahmed Bassiouny Radwan, Mohamed Mohamed ElSayed Ismail, Tarek Ahmed Hassan
PURPOSE: We report our experience in managing a group of patients with Currarino syndrome, highlighting diagnostic challenges, surgical techniques, in addition to a review of current neurosurgical options. PATIENTS AND METHODS: The study included patients with Currarino syndrome who presented to our pediatric surgery department during the period 2010 through 2016. The 'sacral scimitar' in plain X-ray provided the clue for the diagnosis; while MRI examination was essential to define the nature of the presacral mass and associated spinal anomalies...
December 27, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28061537/excellent-and-durable-response-to-radiotherapy-in-a-rare-case-of-spinal-cord-compression-due-to-extra-medullary-hematopoiesis-in-%C3%AE-thalassemia-intermedia-case-report-and-clinicoradiological-correlation
#20
Prahlad H Yathiraj, Anshul Singh, Sudha Vidyasagar, Muralidhar Varma, Vidyasagar Mamidipudi
Spinal cord compression (SCC) is an unusual sequale of extra-medullary hematopoiesis (EMH). We report a patient diagnosed with β-thalassemia intermedia at the age of 7 years presenting as a 24-year-old with symptoms suggestive of paraparesis. MR imaging revealed long masses of EMH opposite T5-T11 and L5-S2 vertebrae with cord compression at T6 vertebrae. Patient was treated with external beam radiotherapy (EBRT) to a low dose of 20 Gy in 10 fractions over 2 weeks. The patient had symptomatic relief of paraparesis by the 5th fraction and nearly regained full power in bilateral lower limbs by EBRT conclusion...
December 9, 2016: Annals of Palliative Medicine
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