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Spinal cord tumor

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https://www.readbyqxmd.com/read/28229085/folate-receptor-alpha-is-more-than-just-a-folate-transporter
#1
Vineet Mohanty, M Rizwan Siddiqui, Tadanori Tomita, Chandra Shekhar Mayanil
Until recently folate receptor alpha (FRα) has only been considered as a folate transporter. However, a novel role of FRα as a transcription factor was reported by our lab. More recently our lab showed a novel pleiotropic role of FRα: (a) direct transcriptional activation of Oct4, Sox2, and Klf4 genes; and (b) repression of biogenesis of miRNAs that target these genes or their effector molecules. These observations beg a question: "Can a simple molecule such as folate be used to manipulate the production and/or differentiation of endogenous neural stem cells (NSCs), which may hold promise for future therapies?" Conditions such as spinal cord injury, motor neuron diseases, Alzheimer's disease and multiple sclerosis may benefit from increasing stem cell pool and promoting specific pathways of differentiation...
2017: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/28228700/osteochondroma-and-spinal-cord-compression-in-a-patient-with-hereditary-multiple-exostoses-a-case-report
#2
Robert J Zoboski
OBJECTIVE: The purpose of this report was to describe the presentation of a patient with hereditary multiple exostoses and thoracic spinal cord compression from an osteochondroma. CLINICAL FEATURES: A 31-year-old female presented to a chiropractic clinic with a history of hereditary multiple exostoses and back pain that had existed since the age of 16 years. She had a past medical history that was remarkable for 3 prior surgeries for mass removal. Examination revealed a left upper midscapular mass with decreased sensation...
March 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/28219304/solitary-thoracic-intramedullary-spinal-neurofibroma-microsurgically-extirpated-via-recapping-t-saw-laminoplasty
#3
Mamer Soriano Rosario, Hideki Murakami, Satoshi Kato, Moriyuki Fujii, Noritaka Yonezawa, Hiroyuki Tsuchiya
We report the case of a 40-year-old female presenting with back pain that was complicated by a solitary intramedullary spinal cord mass at the T10-11 levels, confirmed by magnetic resonance imaging and computed tomography myelography. Microsurgical en bloc extirpation of the tumor approached through a recapping T-saw laminoplasty of T10 was done, and histopathology findings revealed a diagnosis of neurofibroma. Solitary spinal neurofibroma is one of the rarest tumors involving the spinal cord and is very adherent for the lack of a well-defined capsule, requiring careful dissection under microscope magnification for successful en bloc resection...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28217156/extra-axial-giant-falcine-ependymoma-with-ultra-rapid-growth-in-child-uncommon-entity-with-literature-review
#4
Guru Dutta Satyarthee, Luis Rafael Moscote-Salazar
Ependymoma tends to occur commonly along either on ventricular surfaces of the brain or central canal of the spinal cord. Rarely, ependymoma can develop in the cerebral cortex without attachment to the ventricular structures. However, such occurrence in the purely extra-axial compartment in the falcine region mimicking falcine meningioma is exceedingly rare. The detailed search of primary falcine ependymoma (PEFE) in Medline and PubMed yielded only five isolated case reports. All cases occurred in patient older than 17 years of age; however, our case was a 9-year-old girl...
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28217154/paediatric-calcified-intramedullary-schwannoma-at-conus-a-common-tumor-in-a-vicarious-location
#5
Aniruddha Tekkatte Jagannatha, Krishna Chaitanya Joshi, Shilpa Rao, Umesh Srikantha, Ravi Gopal Varma, Anita Mahadevan
Spinal schwannomas are commonly intradural extramedullary in location. As Schwann cells are not common in the central nervous system, intramedullary schwannomas are a rare entity. In adults, an estimated sixty cases have been reported in English literature. They are rarer in children (less than ten cases), and preoperative diagnosis becomes a prerogative in achieving total excision. Cervical cord is a common location and less commonly they occur in the conus. We report a rare case of calcified conus intramedullary schwannoma in a child without neurofibromatosis, who presented with conus-cauda syndrome of 1-year duration...
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28197201/-three-methods-and-three-points-regulates-p38-mitogen-activated-protein-kinase-in-the-dorsal-horn-of-the-spinal-cord-in-a-rat-model-of-sciatic-nerve-injury
#6
Xin Guo, Tian-Yuan Yu, Wong Steven, Wen-Duan Jia, Chi Ma, Yan-Hong Tao, Chao Yang, Tao-Tao Lv, Shuai Wu, Meng-Qian Lu, Jia-Li Liu
Tuina is a traditional Chinese treatment for sensory disturbances caused by peripheral nerve injury and related diseases. Our previous studies showed that tuina regulates relevant regions and indices of the spinal dorsal horn using the Dian, Bo, and Rou method in Yinmen (BL37), Yanglingquan (GB34), and Weizhong (BL40). Treatment prevents muscle atrophy, protects spinal cord neurons, and promotes sciatic nerve repair. The mechanisms of action of tuina for treating peripheral nerve injury remain poorly understood...
December 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/28195909/capillary-hemangioma-of-thoracic-spinal-cord-pet-ct-and-mr-findings
#7
Guohua Shen, Minggang Su, Junyi Zhao, Bin Liu, Anren Kuang
Capillary hemangiomas are frequently encountered superficially in the cutaneous, subcutaneous, or mucosal tissues during the childhood and early adulthood, but the occurrence of spinal intradural capillary hemangioma is relatively rare. Herein, we report a case with capillary hemangioma of the thoracic spine. MR and PET/CT features of this lesion are presented, and awareness of this entity may help differentiate it from other spinal intradural tumors.
February 13, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28193282/preoperative-embolization-in-patients-with-metastatic-spinal-cord-compression-mandatory-or-optional
#8
Chul Gie Hong, Jae Hwan Cho, Dae Chul Suh, Chang Ju Hwang, Dong-Ho Lee, Choon Sung Lee
BACKGROUND: The contribution of preoperative embolization in reducing intraoperative blood loss and its clinical importance are unclear. So, we aimed to compare the perioperative clinical outcomes based on whether preoperative embolization was performed and assess the role and safety of preoperative embolization in metastatic spinal cord compression (MSCC) patients. METHODS: We enrolled 52 patients (men, 37; women, 15) who underwent palliative decompression for MSCC...
February 14, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28192611/deficiency-of-trek-1-potassium-channel-exacerbates-secondary-injury-following-spinal-cord-injury-in-mice
#9
Yongkang Fang, Xiaojiang Huang, Yue Wan, Hao Tian, Yeye Tian, Wei Wang, Suiqiang Zhu, Minjie Xie
Spinal cord injury (SCI) involves complex pathological process which can be complicated by secondary injury. TREK-1 is a member of the two-pore domain potassium (K2P) channel family, which can be modulated by a number of physiological and pathological stimuli. Recent studies suggest that TREK-1 plays an active role in depression, pain and neuroprotection. However, its role in the pathological process after SCI remains unclear. In this study, we tested the expression and function of TREK-1 in spinal cord of mice after traumatic SCI...
February 13, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28190444/management-of-neuro-oncologic-emergencies
#10
J T Jo, D Schiff
Patients with brain tumors and systemic malignancies are subject to diverse neurologic complications that require urgent evaluation and treatment. These neurologic conditions are commonly due to the tumor's direct effects on the nervous system, such as cerebral edema, increased intracranial pressure, seizures, spinal cord compression, and leptomeningeal metastases. In addition, neurologic complications can develop as a result of thrombocytopenia, coagulopathy, hyperviscosity syndromes, infection, immune-related disorders, and adverse effects of treatment...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28188848/electroacupuncture-preconditioning-and-postconditioning-inhibit-apoptosis-and-neuroinflammation-induced-by-spinal-cord-ischemia-reperfusion-injury-through-enhancing-autophagy-in-rats
#11
Bo Fang, Meiman Qin, Yun Li, Xiaoqian Li, Wenfei Tan, Ying Zhang, Hong Ma
Electroacupuncture (EA) has beneficial effects on spinal cord ischemia reperfusion (I/R) injury, but the underlying mechanisms are not fully understood. This study aimed to investigate the role of autophagy in the protection of EA preconditioning and postconditioning against spinal cord I/R injury. For this, spinal cord I/R injury was induced by 14min occlusion of the aortic arch, and rats were treated with EA for 20min before or after the surgery. The expression of autophagy components, light chain 3 and Beclin 1, was assessed by Western blot...
February 7, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28186109/astragali-radix-could-it-be-an-adjuvant-for-oxaliplatin-induced-neuropathy
#12
Lorenzo Di Cesare Mannelli, Alessandra Pacini, Laura Micheli, Angelo Pietro Femia, Mario Maresca, Matteo Zanardelli, Alfredo Vannacci, Eugenia Gallo, Anna Rita Bilia, Giovanna Caderni, Fabio Firenzuoli, Alessandro Mugelli, Carla Ghelardini
Neurotoxicity is a major side effect of platinum derivatives both during and after treatment. In the absence of effective pharmacological compounds, the opportunity to identify safe adjuvant treatments among medicinal plants seems appropriate. Astragali radix is an adaptogenic herbal product recently analyzed in platinum-treated cancer patients. With the aim of evaluating the anti-neuropathic profile of Astragali radix, a previously characterized aqueous (Aqu) and two hydroalcoholic (20%HA and 50%HA) extracts were tested in a rat model of oxaliplatin-induced neuropathy...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28183840/imaging-characteristics-of-pediatric-diffuse-midline-gliomas-with-histone-h3-k27m-mutation
#13
M S Aboian, D A Solomon, E Felton, M C Mabray, J E Villanueva-Meyer, S Mueller, S Cha
BACKGROUND AND PURPOSE: The 2016 World Health Organization Classification of Tumors of the Central Nervous System includes "diffuse midline glioma with histone H3 K27M mutation" as a new diagnostic entity. We describe the MR imaging characteristics of this new tumor entity in pediatric patients. MATERIALS AND METHODS: We retrospectively reviewed imaging features of pediatric patients with midline gliomas with or without the histone H3 K27 mutation. We evaluated the imaging features of these tumors on the basis of location, enhancement pattern, and necrosis...
February 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28180052/primary-spinal-epidural-lymphoma-as-a-cause-of-spontaneous-spinal-anterior-syndrome-a-case-report-and-literature-review
#14
M E Córdoba-Mosqueda, J R Guerra-Mora, M C Sánchez-Silva, R M Vicuña-González, A Ibarra-de la Torre
Background Primary spinal epidural lymphoma (PSEL) is one of the rarest categories of tumors. Spinal cord compression is an uncommon primary manifestation and requires to be treated with surgery for the purpose of diagnosis and decompression. Case Presentation A 45-year-old man presented with a new onset thoracic pain and progress to an anterior spinal syndrome with hypoesthesia and loss of thermalgesia. Magnetic resonance image showed a paravertebral mass that produces medullary compression at T3. The patient was taken up to surgery, where the pathology examination showed a diffuse large B-cell lymphoma...
January 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28169294/factors-predictive-of-survival-and-estimated-years-of-life-lost-in-the-decade-following-nontraumatic-and-traumatic-spinal-cord-injury
#15
B B Hatch, C M Wood-Wentz, T M Therneau, M G Walker, J M Payne, R K Reeves
STUDY DESIGN: Retrospective chart review. OBJECTIVES: To identify factors predictive of survival after spinal cord injury (SCI). SETTING: Tertiary care institution. METHODS: Multiple-variable Cox proportional hazards regression analysis for 759 patients with SCI (535 nontraumatic and 221 traumatic) included age, sex, completeness of injury, level of injury, functional independence measure (FIM) scores, rehabilitation length of stay and SCI cause...
February 7, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28161709/microrna-146a-ameliorates-inflammation-via-traf6-nf-%C3%AE%C2%BAb-pathway-in-intervertebral-disc-cells
#16
Feng Lv, Yingzi Huang, Wentao Lv, Longbiao Yang, Feng Li, Jingli Fan, Jianmin Sun
BACKGROUND Intervertebral disc degeneration (IDD) has been widely recognized as a major contributor to low back pain. Accumulating evidence suggests that IDD is linked to various pro-inflammatory cytokines and metabolites. Recently, numerous studies have demonstrated that microRNAs (miRNAs) play a pivotal role in the development of most disorders, including degenerative disc diseases. Previous reports have revealed that miRNA-146a (miR-146a) could attenuate neuropathic pain in the spinal cord. The aim of this study was to investigate the role of miR-146a in the inflammatory response of IDD...
February 5, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28161015/-electrophysiological-testing-in-spinal-cord-tumors
#17
REVIEW
N André-Obadia, F Mauguière
Evoked potentials (EPs) are useful to evaluate the functional impairment of motor and somatosensory pathways in spinal cord tumors. Conduction through pyramidal tracts is evaluated by motor EPs (MEPs) elicited by transcranial stimulation, magnetic for awake patients or electric in the operating room. Somatosensory EPs (SEPs) and laser EPs (LEPs) are complementary procedures to explore conduction in dorsal columns and spinothalamic tracts, respectively. MEPs as well as SEPs show conduction abnormalities in about 60% of cases with a sensitivity that increases up to 70% when both procedures are carried out...
February 1, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28156189/feline-glioma-a-retrospective-study-and-review-of-the-literature
#18
Daniel R Rissi, Andrew D Miller
Case series summary This study aimed to evaluate the pathologic and diagnostic features of 13 cases of feline glioma diagnosed at two veterinary diagnostic institutions over 16 years. A retrospective search was conducted using the laboratory information system. Selected cases were reviewed, tumors were classified according to the 2007 World Health Organization Classification of Tumours of the Central Nervous System, and tissue sections were submitted to an immunohistochemistry panel for further characterization...
February 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28155010/chemokine-cxcl13-activates-p38-mapk-in-the-trigeminal-ganglion-after-infraorbital-nerve-injury
#19
Qian Zhang, Ming-Di Zhu, De-Li Cao, Xue-Qiang Bai, Yong-Jing Gao, Xiao-Bo Wu
Recent data demonstrated that chemokine CXCL13 mediates neuroinflammation and contributes to the maintenance of neuropathic pain after nerve injury in the spinal cord. Pro-nociceptive chemokines activate mitogen-activated protein kinases (MAPKs) which are potential signaling pathways contributing to the nociceptive behavior in inflammatory or neuropathic pain. However, whether activation of p38 and JNK MAPK signaling pathway in the trigeminal ganglion (TG) are involved in CXCL13 and its receptor CXCR5-mediated orofacial pain has not yet been clarified...
February 2, 2017: Inflammation
https://www.readbyqxmd.com/read/28147248/prolonged-stimulation-of-a-brainstem-raphe-region-attenuates-experimental-autoimmune-encephalomyelitis
#20
Pernille M Madsen, Stephanie S Sloley, Alberto A Vitores, Melissa M Carballosa-Gautam, Roberta Brambilla, Ian D Hentall
Multiple sclerosis (MS), a neuroinflammatory disease, has few treatment options, none entirely adequate. We studied whether prolonged electrical microstimulation of a hindbrain region (the nucleus raphe magnus) can attenuate experimental autoimmune encephalomyelitis, a murine model of MS induced by MOG35-55 injection. Eight days after symptoms emerged, a wireless electrical stimulator with an attached microelectrode was implanted cranially, and daily intermittent stimulation was begun in awake, unrestrained mice...
January 29, 2017: Neuroscience
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