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Caudas medullaris

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https://www.readbyqxmd.com/read/29766974/an-unusual-cause-of-combined-cauda-equina-and-conus-medullaris-syndrome
#1
Suraj Sajeev, R Krishnakumar
No abstract text is available yet for this article.
May 2018: Neurology India
https://www.readbyqxmd.com/read/29423307/the-importance-of-the-bulbocavernosus-reflex
#2
REVIEW
Jean Gabriel Previnaire
The BCR consists of the contraction of the bulbocavernosus muscle in response to squeezing the glans penis or clitoris, and is mediated through the pudendal nerve. In case of a complete lesion, the presence of BCR is indicative of intact S2-S4 spinal reflex arcs and loss of supraspinal inhibition, determining an upper motor neuron (UMN) lesion, its absence a lower motor neuron (LMN) lesion. The BCR further helps distinguish conus medullaris from cauda equina syndromes. Sensory or motor function in the most caudal sacral segments, not BCR, defines the sacral sparing as part of the International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI)...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29422310/multifocal-spinal-cord-nephroblastoma-in-a-dog
#3
L C Henker, R M Bianchi, T P Vargas, E C de Oliveira, D Driemeier, S P Pavarini
A 1-year-old male American pit bull terrier was presented with a history of proprioceptive deficits and mild lameness of the right hindlimb, which progressed after 5 months to paraparesis, culminating in tetraparesis after 2 weeks. Necropsy findings were limited to the spinal cord and consisted of multiple, intradural, extramedullary, slightly red masses which produced segmental areas of medullary swelling located in the cervical intumescence, thoracolumbar column, sacral segment and cauda equina. Histological evaluation revealed a tumour, composed of epithelial, stromal and blastemal cells, with structures resembling tubules, acini and embryonic glomeruli...
January 2018: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/29354750/unusual-cauda-equina-syndrome-due-to-multifocal-ependymoma-infiltrated-by-lymphoma
#4
Nassim Bougaci, Stephane Litrico, Fanny Burel-Vandenbos, Philippe Paquis
Myxopapillary ependymoma is a rare tumour of the central nervous system (CNS); this subtype of ependymoma occurs most frequently in cauda equina, conus medullaris or filum terminale. The treatment consists of complete removal of the tumour including its capsule when possible since it is usually a solitary lesion. Non-Hodgkin lymphoma of the CNS is found in only 1.3% of cauda equina tumours. We report the case of a 62-year-old man who presented to our institution with progressive weakness of his right lower extremity, with numbness and paresthesia of both feet...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29306355/neurophysiology-of-the-pelvic-floor-in-clinical-practice-a-systematic-literature-review
#5
REVIEW
Fiorella Bianchi, Giovanna M Squintani, M Osio, A Morini, C Bana, G Ardolino, S Barbieri, L Bertolasi, R Caramelli, F Cogiamanian, A Currà, G de Scisciolo, C Foresti, V Frasca, E Frasson, M Inghilleri, L Maderna, L Motti, E Onesti, M C Romano, U Del Carro
Neurophysiological testing of the pelvic floor is recognized as an essential tool to identify pathophysiological mechanisms of pelvic floor disorders, support clinical diagnosis, and aid in therapeutic decisions. Nevertheless, the diagnostic value of these tests in specific neurological diseases of the pelvic floor is not completely clarified. Seeking to fill this gap, the members of the Neurophysiology of the Pelvic Floor Study Group of the Italian Clinical Neurophysiology Society performed a systematic review of the literature to gather available evidence for and against the utility of neurophysiological tests...
October 2017: Functional Neurology
https://www.readbyqxmd.com/read/29187689/-a-case-of-leptomeningeal-melanomatosis-with-acute-paraplegia-and-multiple-cranial-nerve-palsies
#6
Kasumi Hattori, Nozomu Matsuda, Takenobu Murakami, Eiichi Ito, Yoshikazu Ugawa
A 62-year-old man with acute paraplegia was transferred to our hospital. He had flaccid paraplegia and multiple cranial nerve palsies, such as mydriasis of the left pupil, abduction palsy of the left eye, hoarseness and dysphagia, but no meningeal irritation signs. MRI of the spinal canal showed swellings of the conus medullaris and the cauda equine, and also contrast enhancement of the spinal meninges. The cerebrospinal fluid (CSF) showed pleocytosis and protein increment. The lymph node was swollen in his right axilla...
December 27, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/29114289/conus-medullaris-arachnoid-cyst-presenting-as-cauda-equina-syndrome
#7
Salman Sharif, Afifa Afsar, Mohsin Qadeer
Intradural arachnoid cysts are a rare cause of spinal cord and nerve root compression. Primarily, they are present in the thoracic region posteriorly. We report a 25-year-old man who had an intradural arachnoid cyst at the level of conus medullaris presenting with cauda equina syndrome, which is very rare.
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28816874/does-surgical-intervention-or-timing-of-surgery-have-an-effect-on-neurological-recovery-in-the-setting-of-a-thoracolumbar-burst-fracture
#8
So Kato, Jean-Christophe Murray, Brian K Kwon, Gregory D Schroeder, Alexander R Vaccaro, Michael G Fehlings
Traumatic thoracolumbar burst fractures are one of the most common forms of spinal trauma with the majority occurring at the junctional area where mechanical load is maximal (AOSpine Thoracolumbar Spine Injury Classification System Subtype A3 or A4). Burst fractures entail the involvement of the middle column, and therefore, they are typically associated with bone fragment in the spinal canal, which may cause compression of the spinal cord, conus medullaris, cauda equina, or a combination of these. Fortunately, approximately half of the patients with thoracolumbar burst fractures are neurologically intact due to the wide canal diameter...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28762109/dual-lumbar-bronchogenic-and-arachnoid-cyst-presenting-with-sciatica-and-left-foot-drop
#9
Nicholas Candy, Adam Young, Abel Devadass, Andrew Dean, Jason McMillen, Rikin Trivedi
INTRODUCTION: Spinal bronchogenic cysts are rare findings, with only four cases of lumbar bronchogenic cysts reported in the literature. All of these bronchogenic cysts involved the conus medullaris. We present the first case of a lumbar bronchogenic cyst and arachnoid cyst arising from the cauda equina in a 68-year-old male. Uniquely, this bronchogenic cyst also contained components of an arachnoid cyst. METHODS: Magnetic resonance imaging (MRI) demonstrated a compressive cystic lesion at the level of the L3 vertebra splaying the cauda equina...
October 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28736427/ultrasonographic-features-of-the-normal-filum-terminale
#10
Myoungae Kwon, Bo-Kyung Je, Doran Hong, Byung Min Choi
Purpose: The filum terminale (FT) is a fibrous band that connects the conus medullaris to the posterior body of the coccyx. Considering the advances of ultrasonography (US) technology and improvements in the resolution of US images, we aimed to re-establish the US features of the normal FT in infants younger than 6 months of age. Methods: We retrospectively reviewed 30 spinal US scans, stored as video clips. The internal structure of the FT and the marginal echogenicity of the FT were assessed, and transverse and longitudinal US were compared...
June 8, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28534496/definitions-of-traumatic-conus-medullaris-and-cauda-equina-syndrome-a-systematic-literature-review
#11
REVIEW
E Brouwers, H van de Meent, A Curt, B Starremans, A Hosman, R Bartels
STUDY DESIGN: A systematic review. OBJECTIVES: Conus medullaris syndrome (CMS) and cauda equina syndrome (CES) are well-known neurological entities. It is assumed that these syndromes are different regarding neurological and functional prognosis. However, literature concerning spinal trauma is ambiguous about the exact definition of the syndromes. METHODS: A MEDLINE, EMBASE and Cochrane literature search was performed. We included original articles in which clinical descriptions of CMS and/or CES were mentioned in patients following trauma to the thoracolumbar spine...
October 2017: Spinal Cord
https://www.readbyqxmd.com/read/28374127/surgical-management-of-solitary-nerve-sheath-tumors-originating-around-the-epiconus-or-conus-medullaris-a-retrospective-case-analysis-based-on-neurological-function
#12
Kentaro Naito, Toru Yamagata, Atsufumi Nagahama, Shinichi Kawahara, Kenji Ohata, Toshihiro Takami
The objective of this retrospective case analysis was to evaluate the surgical impact on neurological functional recovery in cases of solitary spinal nerve sheath tumors (NSTs) originating around the epiconus, conus medullaris, or cauda equina and not associated with neurofibromatosis. This 10-year surgical study included 30 cases of spinal NSTs originating around the spine level of T12-L1 (epiconus-to-conus medullaris: Epi-CM group), and 15 cases of spinal NSTs originating below the spine level of L2 (cauda equina: CE group)...
January 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/28195228/ejaculation-and-sperm-characteristics-in-men-with-cauda-equina-and-conus-medullaris-syndromes
#13
N Hadiji, R Mieusset, J G Previnaire, E Castel-Lacanal, J M Soler
STUDY DESIGN: Retrospective. OBJECTIVES: The objective of the study was to describe the type of ejaculation in patients with cauda equina (CE) and conus medullaris (CM) lesions, and to analyse sperm quality. SETTING: France. METHODS: One hundred sixty-six patients with CE and CM lesions were included. Diagnosis was based on clinical (no motor responses, sensation or sacral reflexes) and urodynamic assessments (no detrusor activity)...
June 2017: Spinal Cord
https://www.readbyqxmd.com/read/28077887/examination-of-the-predictive-power-of-electromyography-and-urodynamic-study-in-patients-with-cauda-equina-syndrome-horse-tail-syndrome
#14
Mohammadreza Shahmohammadi, Reza Jalil Khoshuod, Alireza Zali, Amir Saied Seddeghi, Nima Mohseni Kabir
BACKGROUND: Cauda equina syndrome is a rare disorder that causes loss of Lumbar plexus function (nerve roots) lower than conus medullaris. No risk factor has been defined for this disease yet. Due to the high morbidity of Cauda equina syndrome and lack of sufficient information about the connection between the disease and urodynamic findings and EMG (Electromyography) findings, the need for this comprehensive study is felt. OBJECTIVE: The aim is to determine the predictive power of findings resulted from urodynamics and electromyography of perineal region and around sphincter in the clinical cure rate of urination in patients with urinary retention followed by Cauda equina syndrome...
October 2016: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28049610/application-of-fluorescein-sodium-videoangiography-in-surgery-for-spinal-arteriovenous-malformation
#15
Basant K Misra, Saurav K Samantray, Omkar N Churi
We present our recent experience with fluorescein sodium videoangiography (FLVA) in the intra-operative evaluation of a patient with conus medullaris arteriovenous malformation (AVM). To our knowledge this is the first report in the literature of use of FLVA in the surgery of spinal AVM. Intra-operative FLVA was done to identify an early filling vessel and to obliterate the site of fistulous connection. This was correlated and confirmed with simultaneous indocyanine green videoangiography (ICGVA). The conus and cauda equina roots could be appreciated and manipulated in relation to this fluorescence...
April 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28040529/primary-seeding-of-myxopapillary-ependymoma-different-disease-in-adult-population-case-report-and-review-of-literature
#16
REVIEW
Nickalus R Khan, Matthew VanLandingham, Thomas O'Brien, Frederick A Boop, Kenan Arnautović
Myxopapillary ependymoma (MPE) is a slow-growing tumor, occurring most often in adults. It originates from the filum terminale in the area of the conus medullaris and cauda equina and is considered a benign lesion. Despite this classification, however, recurrence after both partial and gross total resection is well known. In the pediatric population, primary MPE seeding and generally more aggressive clinical course is well documented and treated through gross total resection, if possible, followed by irradiation...
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28028445/long-standing-lumbosacral-dermoid-tumor-and-intracranial-fat-droplet-dissemination-a-case-report
#17
Ali Babashahi, Morteza Taheri, Arash Fattahi
BACKGROUND: Dermoid tumors are slow growing, benign CNS lesions. CASE DESCRIPTION: This case study concerns a 29-year-old female with a 6-year history of lower extremity paresthesias attributed to magnetic resonance (MR)/computed tomography (CT) documented intradural dermoid tumor that extended from L1 to S1. On MR, it was hypointense on T1, hyperintense on T2, and did not enhance with gadolinium. CT showed hyperdensity at the L1-L2 levels. The craniocervical MR imaging showed small hyperintense foci in the cisternal space favoring "fat dissemination...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27258594/mobile-spinal-enterogenous-cyst-resulting-in-intermittent-paraplegia-in-a-child-case-report
#18
Satoko Kojima, Junichi Yoshimura, Tetsuro Takao, Tetsuro Tamura, Kenichi Nishiyama, Shigeru Maruyama, Masashi Suda, Yukihiko Fujii
The authors report the case of a mobile spinal enterogenous cyst in a 2-year-old boy, who was admitted to the hospital several times for intermittent paraplegia. Magnetic resonance imaging and CT revealed an isolated cyst in the lumbar spinal canal. The symptoms were caused by transient myelopathy of the conus medullaris and radiculopathy of the cauda equina due to the changing size and location of the cyst. The cyst was surgically extirpated, after which the symptoms resolved. The histopathological diagnosis was enterogenous cyst...
October 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27222131/a-ventral-root-avulsion-injury-model-for-neurogenic-underactive-bladder-studies
#19
REVIEW
Huiyi H Chang, Leif A Havton
Detrusor underactivity (DU) is defined as a contraction of reduced strength and/or duration during bladder emptying and results in incomplete and prolonged bladder emptying. The clinical diagnosis of DU is challenging when present alone or in association with other bladder conditions such as detrusor overactivity, urinary retention, detrusor hyperactivity with impaired contractility, aging, and neurological injuries. Several etiologies may be responsible for DU or the development of an underactive bladder (UAB), but the pathobiology of DU or UAB is not well understood...
November 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27137647/thickening-of-the-cauda-equina-roots-a-common-finding-in-krabbe-disease
#20
Misun Hwang, Giulio Zuccoli, Ashok Panigrahy, David Rodriguez, Michele D Poe, Maria L Escolar
OBJECTIVES: Evaluation of Krabbe disease burden and eligibility for hematopoietic stem cell transplantation are often based on neuroimaging findings using the modified Loes scoring system, which encompasses central but not peripheral nervous system changes. We show that quantitative evaluation of thickened cauda equina nerve roots may improve the evaluation of Krabbe disease and therapeutic guidance. METHODS: Lumbar spine MRI scans of patients obtained between March 2013 and September 2013 were retrospectively evaluated and compared to those of controls...
October 2016: European Radiology
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