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Spinal tumors

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https://www.readbyqxmd.com/read/29782494/ubiquitin-dependent-proteolysis-of-cxcl7-leads-to-posterior-longitudinal-ligament-ossification
#1
Michiyo Tsuru, Atsushi Ono, Hideaki Umeyama, Masahiro Takeuchi, Kensei Nagata
Ossification of the posterior longitudinal ligament (OPLL), a spinal ligament, reduces the range of motion in limbs. No treatment is currently available for OPLL, which is why therapies are urgently needed. OPLL occurs in obesity, is more common in men, and has an onset after 40 years of age. The mechanisms underlying OPLL remain unclear. In this study, we performed a serum proteomic analysis in both OPLL patients and healthy subjects to identify factors potentially involved in the development of OPLL, and found reduced levels of a protein that might underlie the pathology of OPLL...
2018: PloS One
https://www.readbyqxmd.com/read/29780700/sporadic-nf2-mosaic-multiple-spinal-schwannomas-presenting-with-severe-intractable-pain-following-pregnancy
#2
Jeffrey H Zimering, Bryan D Choi, Matthew J Koch, John C Dewitt, Anat Stemmer-Rachamimov, John H Shin
The aim of the present paper is to report undiagnosed sporadic neurofibromatosis type 2 presenting with symptomatic compressive spinal tumors following pregnancy. A 36-year-old woman experienced progressive, severe lumbar radicular pain in the second trimester of pregnancy which became intractable soon after delivery. Magnetic resonance imaging revealed a complex heterogeneous hypointense mass lesion around the conus. There were two small punctate lesions in the cauda equina suggestive of myxopapillary ependymoma with 'drop metastases...
December 2017: Interdisciplinary Neurosurgery: Advanced Techniques and Case Management
https://www.readbyqxmd.com/read/29780233/spinal-meningeal-melanocytoma-in-a-5-year-old-child-a-case-report-and-review-of-literature
#3
Ahmed M Salah El-Din, Hashem M Aboul-Ela, Mohamed F Alsawy, Ahmed Koheil, Ahmed H Ashry
Background: Meningeal melanocytoma is considered a rare lesion arising from leptomeningeal melanocytes. Nearly two thirds of meningeal melanocytomas were reported in the intracranial compartment and the remaining one third in the spine. Spinal melanocytomas can be extradural or intradural, with extradural variant being more common, and the majority of cases have been single reports. Methods: A 5-year-old male presented with a 4-month history of non-radiating low back pain persistent at rest, with otherwise non-remarkable medical history...
2018: The Egyptian journal of neurology, psychiatry and neurosurgery
https://www.readbyqxmd.com/read/29779243/co-occurrence-of-schwannomatosis-and-rhabdoid-tumor-predisposition-syndrome-1
#4
Hildegard Kehrer-Sawatzki, Uwe Kordes, Simone Seiffert, Anna Summerer, Christian Hagel, Ulrich Schüller, Said Farschtschi, Reinhard Schneppenheim, Martin Bendszus, Tim Godel, Victor-Felix Mautner
BACKGROUND: The clinical phenotype associated with germline SMARCB1 mutations has as yet not been fully documented. It is known that germline SMARCB1 mutations may cause rhabdoid tumor predisposition syndrome (RTPS1) or schwannomatosis. However, the co-occurrence of rhabdoid tumor and schwannomas in the same patient has not so far been reported. METHODS: We investigated a family with members harboring a germline SMARCB1 deletion by means of whole-body MRI as well as high-resolution microstructural magnetic resonance neurography (MRN)...
May 20, 2018: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/29777897/robot-assisted-radiofrequency-ablation-of-a-sacral-s1-s2-aggressive-hemangioma
#5
A Kaoudi, C Capel, L Chenin, J Peltier, M Lefranc
Aggressive vertebral hemangiomas are rare tumors of the spine. The treatment management strategy usually consists of vertebroplasty, radiation therapy or in rare cases of surgical strategy. We present a case of a bulging sacral S1-S2 hemangioma in the spinal canal that could not be managed in the usual manner. Here, we demonstrate the usefulness of radiofrequency ablation technique as an alternative treatment as well as robotic assistance for optimal placement of the ablation probe within the lesion.
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29776446/valproic-acid-attenuates-traumatic-spinal-cord-injury-induced-inflammation-via-stat1-and-nf-%C3%AE%C2%BAb-pathway-dependent-of-hdac3
#6
Shoubo Chen, Jingfang Ye, Xiangrong Chen, Jinnan Shi, Wenhua Wu, Wenping Lin, Weibin Lin, Yasong Li, Huangde Fu, Shun Li
BACKGROUND: Microglial polarization with M1/M2 phenotype shifts and the subsequent neuroinflammatory responses are vital contributing factors for spinal cord injury (SCI)-induced secondary injury. Nuclear factor-κB (NF-κB) is considered the central transcription factor of inflammatory mediators, which plays a crucial role in microglial activation. Lysine acetylation of STAT1 seems necessary for NF-kB pathway activity, as it is regulated by histone deacetylases (HDACs). There have been no studies that have explained if HDAC inhibition by valproic acid (VPA) affects the NF-κB pathway via acetylation of STAT1 dependent of HDAC activity in the microglia-mediated central inflammation following SCI...
May 18, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29774200/thickening-ligamentum-flavum-mimicking-tumor-in-the-epidural-space-of-the-cervical-spine
#7
Sung Hyun Bae, Dong Wuk Son, O Ik Kwon, Su Hun Lee, Jun Seok Lee, Geun Sung Song
In patients with tumors and spinal cord lesions, inflammation and tissue infection can result in mass effect detection on imaging. As a result, surgical biopsy procedures are often performed on the lesions. We report a rare case in which the thickening ligamentum flavum (LF) appeared to be a tumor in the epidural space of the cervical spine based on imaging findings. A 52-year-old man visited our outpatient clinic with severe shoulder pain and radicular pain in his right arm that had developed gradually after a traffic accident two months earlier...
April 2018: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29773567/balanced-steady-state-free-precession-sequence-ciss-fiesta-3d-driven-equilibrium-radiofrequency-reset-pulse-increases-the-diagnostic-yield-for-spinal-drop-metastases-in-children-with-brain-tumors
#8
K Buch, P Caruso, D Ebb, S Rincon
BACKGROUND AND PURPOSE: Identification of spinal drop metastases is important in the staging and management of pediatric patients with primary brain tumors. Our aim was to assess the diagnostic utility of the balanced steady-state free precession (bSSFP) sequence (CISS/FIESTA/3D driven equilibrium radiofrequency reset pulse) for the detection of spinal drop metastases in pediatric patients with primary intracranial tumors. MATERIALS AND METHODS: This was a retrospective study of 44 pediatric patients with primary intracranial tumors undergoing MR imaging spine evaluation for drop metastases before radiation treatment...
May 17, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29771441/combinatory-effect-of-mesenchymal-stromal-cells-transplantation-and-quercetin-after-spinal-cord-injury-in-rat
#9
X Wang, Y-Y Wang, L-L Zhang, G-T Li, H-T Zhang
OBJECTIVE: To investigate the synergistic effects of quercetin (Qu) administration and transplantation of human umbilical cord mesenchymal stromal cells (HUMSCs) following spinal cord injury (SCI). MATERIALS AND METHODS: HUMSCs were isolated, cultured and certificated via flow cytometry. Sixty Sprague-Dawley (SD) female rats were used and SCI models were made. All rats were divided into five experimental groups: culture medium treated group (n=28); HUSMCs + quercetin-treated group (n = 28); HUMSCs treated group (n=28); quercetin-treated group (n = 28); sham group (n = 20)...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29770224/hybrid-surgery-radiosurgery-therapy-for-metastatic-epidural-spinal-cord-compression-a-prospective-evaluation-using-patient-reported-outcomes
#10
Ori Barzilai, Mary-Kate Amato, Lily McLaughlin, Anne S Reiner, Shahiba Q Ogilvie, Eric Lis, Yoshiya Yamada, Mark H Bilsky, Ilya Laufer
Background: Patient-reported outcomes (PRO) represent an important measure of cancer therapy effect. For patients with metastatic epidural spinal cord compression (MESCC), hybrid therapy using separation surgery and stereotactic radiosurgery preserves neurologic function and provides tumor control. There is currently a paucity of data reporting PRO after such combined modality therapy for MESCC. Delineation of hybrid surgery-radiosurgery therapy effect on PRO validates the hybrid approach as an effective therapy resulting in meaningful symptom relief...
May 2018: Neuro-oncology Practice
https://www.readbyqxmd.com/read/29768375/total-spondylectomy-of-recurrent-giant-cell-tumors-in-the-cervical-spine-two-case-reports-and-review-of-literature
#11
Ji Tu, Wentian Li, Shenglei Shu, Yukun Zhang, Wenbin Hua, Shuai Li, Shuhua Yang, Cao Yang
RATIONALE: Spinal Giant Cell Tumors (SGCTs) are rare, aggressive, and benign tumors. Their presence in the cervical spine is even more exceptional. There are few reports of cervical GCT in the literature, especially recurrent cases. The treatment are challenging to clinically because radical resection is extremely difficult. PATIENT CONCERNS: In this study, we present the cases of a 25-year-old man and a 41-year-old woman who suffered from recurrent cervical GCT...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29762745/genome-wide-association-analysis-identifies-a-meningioma-risk-locus-at-11p15-5
#12
Elizabeth B Claus, Alex J Cornish, Peter Broderick, Joellen M Schildkraut, Sara E Dobbins, Amy Holroyd, Lisa Calvocoressi, Lingeng Lu, Helen M Hansen, Ivan Smirnov, Kyle M Walsh, Johannes Schramm, Per Hoffmann, Markus M Nöthen, Karl-Heinz Jöckel, Anthony Swerdlow, Signe Benzon Larsen, Christoffer Johansen, Matthias Simon, Melissa Bondy, Margaret Wrensch, Richard Houlston, Joseph L Wiemels
BACKGROUND: Meningioma are adult brain tumors originating in the meningeal coverings of the brain and spinal cord, with significant heritable basis. Genome-wide association studies (GWAS) have previously identified only a single risk locus for meningioma, at 10p12.31. METHODS: To identify a susceptibility locus for meningioma, we conducted a meta-analysis of two GWAS, imputed using a merged reference panel of 1,000 Genomes and UK10K data, with validation in two independent sample series totaling 2,138 cases and 12,081 controls...
May 12, 2018: Neuro-oncology
https://www.readbyqxmd.com/read/29761076/synchronous-bone-metastasis-from-multiple-myeloma-and-prostate-adenocarcinoma-as-initial-presentation-of-coexistent-malignancies
#13
Diego Andres Adrianzen Herrera, Shlomit Goldberg-Stein, Alexander Sankin, Judy Sarungbam, Janaki Sharma, Benjamin A Gartrell
The radiographic appearance of bone metastases is usually determined by tumor histology and can be osteolytic, osteoblastic, or mixed. We present a patient with coexistent bone metastasis from multiple myeloma and prostate adenocarcinoma who exhibited synchronous bone involvement of both histologies within the same bone lesion, a rare phenomenon that has not been previously reported and led to atypical radiographic findings. The radiograph of a 71-year-old man with thigh swelling and pain demonstrated a lytic femoral lesion...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29759043/electrochemotherapy-of-spinal-metastases-using-transpedicular-approach-a-numerical-feasibility-study
#14
Helena Cindrič, Bor Kos, Giuseppe Tedesco, Matteo Cadossi, Alessandro Gasbarrini, Damijan Miklavčič
Vertebral column is the most frequent site for bone metastases. It has been demonstrated in previous studies that bone metastases can be efficiently treated by electrochemotherapy. We developed a novel approach to treat spinal metastases, that is, transpedicular approach that combines electrochemotherapy with already established technologies for insertion of fixation screws in spinal surgery. In the transpedicular approach, needle electrodes are inserted into the vertebral body through pedicles and placed around the tumor...
January 1, 2018: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29755233/cervical-lift-up-laminoplasty-with-titanium-basket-plates-after-resection-of-intradural-tumor
#15
Keisuke Shirosaka, Kentaro Naito, Toru Yamagata, Masaki Yoshimura, Kenji Ohata, Toshihiro Takami
Background: Performing cervical laminoplasty after wide laminectomy may be technically demanding. The unique technique of cervical lift-up laminoplasty using titanium basket plates was applied for the reconstruction of cervical laminae after wide laminectomy for the resection of intradural tumors. Materials and Methods: This technical study included 14 cases that could be followed periodically for at least 6 months after surgery. Participants were 8 male and 6 female, with a mean age of 41...
January 2018: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/29753078/isolated-pediatric-intramedullary-schwannoma-case-report-and-review-of-the-literature
#16
Alessandro Landi, Giovanni Grasso, Fabrizio Gregori, Giorgia Iacopino, Andrea Ruggeri, Roberto Delfini
BACKGROUND: Intramedullary (IM) schwannomas are rare entities representing the 0.3-1% of intramedullary tumors and 1.1% of spinal schwannomas. Beside many theories proposed, their rare occurrence might be related to the absence of Schwann cells into the spinal cord. Pediatric IM schwannomas are uncommon and in absence of neurofibromatosis (NF) they are extremely rare. To date, very few cases have been reported in the literature. CASE DESCRIPTION: We describe the case of a 8 year-old female affected by a progressive paraparesis...
May 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29753077/endoscopic-endonasal-reconstruction-of-anterior-skull-base-defects-what-factors-really-affect-the-outcomes
#17
Mario Turri-Zanoni, Jacopo Zocchi, Alessia Lambertoni, Marta Giovannardi, Apostolos Karligkiotis, Paolo Battaglia, Davide Locatelli, Paolo Castelnuovo
OBJECTIVES: Endoscopic endonasal surgery has evolved considerably over the last few decades, requiring comparable advances in reconstructive techniques. The objectives of this study were to retrospectively review the outcomes of endoscopic anterior skull base (ASB) reconstruction and to analyze factors that might be associated with failures. METHODS: Data from patients who underwent endoscopic endonasal ASB reconstruction in a single Institution between 1998 and 2017 were collected...
May 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29749918/operative-and-consultative-proportions-of-neurosurgical-disease-worldwide-estimation-from-the-surgeon-perspective
#18
Michael C Dewan, Abbas Rattani, Ronnie E Baticulon, Serena Faruque, Walter D Johnson, Robert J Dempsey, Michael M Haglund, Blake C Alkire, Kee B Park, Benjamin C Warf, Mark G Shrime
OBJECTIVE The global magnitude of neurosurgical disease is unknown. The authors sought to estimate the surgical and consultative proportion of diseases commonly encountered by neurosurgeons, as well as surgeon case volume and perceived workload. METHODS An electronic survey was sent to 193 neurosurgeons previously identified via a global surgeon mapping initiative. The survey consisted of three sections aimed at quantifying surgical incidence of neurological disease, consultation incidence, and surgeon demographic data...
May 11, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29749492/locomotor-activity-of-rats-with-sci-is-improved-by-dexmedetomidine-by-targeting-the-expression-of-inflammatory-factors
#19
Wei-Guo Wang, Lin Wang, Zhen-Hua Jiao, Bin Xue, Zhan-Wang Xu
Dexmedetomidine, a well‑known selective α‑2 adrenoceptor agonist, inhibits the apoptosis of neurons and protects other organs from oxidative damage. In the present study, the effect of dexmedetomidine on spinal cord injury (SCI) in a rat model was investigated. The SCI rat model was prepared using the weight‑drop method, and the effect of dexmedetomidine on locomotor activity was analyzed using the Basso, Beattie and Bresnahan (BBB) rating scale. Western blot analysis was used to observe changes in the expression of apoptosis‑related proteins, including B‑cell lymphoma 2 (Bcl‑2) and Bcl‑2‑associated X protein (Bax)...
April 26, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29749036/differential-mrna-expression-of-neuroinflammatory-modulators-in-the-spinal-cord-and-thalamus-of-type-2-diabetic-monkeys
#20
Huiping Ding, Norikazu Kiguchi, Shiroh Kishioka, Tao Ma, Christopher M Peters, Mei-Chuan Ko
BACKGROUND: Given that diabetes-associated complications are closely associated with neuroinflammation, it is imperative to study potential changes in neuroinflammatory modulators in the central nervous system of diabetic primates. METHODS: The mRNA levels of pro-inflammatory and anti-inflammatory cytokines, toll-like receptors (TLR), growth factors, and cannabinoid receptors were compared in the spinal dorsal horn (SDH) and thalamus of naturally occurring type 2 diabetic monkeys and an age-matched control group using reverse transcription and quantitative real-time polymerase chain reaction...
May 11, 2018: Journal of Diabetes
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