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Peripheral nerve surgery

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https://www.readbyqxmd.com/read/27911227/radiofrequency-ablation-of-spinal-osteoid-osteoma-a-prospective-study
#1
Joe Faddoul, Yara Faddoul, Sandra Kobaiter-Maarrawi, Ronald Moussa, Tony Rizk, Georges Nohra, Nabil Okais, Elie Samaha, Joseph Maarrawi
OBJECTIVE Surgery has been considered the standard treatment for spinal osteoid osteomas that are refractory to analgesic agents. Radiofrequency ablation (RFA) is a less invasive technique with established efficiency for the treatment of peripheral osteoid osteomas. The main objectives of this study are to evaluate the safety of RFA based on the results of a previous experimental study in rats conducted in the authors' laboratory and to identify its short- and long-term efficiency in the treatment of spinal osteoid osteomas...
December 2, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27900106/giant-intrapelvic-malignant-peripheral-nerve-sheath-tumor-mimicking-disc-herniation-a-case-report
#2
Peng Wang, Cong Chen, Xiaotang Xin, Bo Liu, Wei Li, Dezhen Yin, Weidong Mu
Giant intrapelvic malignant peripheral nerve sheath tumors arising in the sciatic nerve in the pelvic cavity are a rare occurrence and their symptomatology is usually misdiagnosed as intervertebral disc herniation. We herein report the case of a 46-year old woman presenting with pain, hypesthesia and weakness of the left lower extremity due to a giant intrapelvic malignant peripheral nerve sheath tumor of the sciatic nerve. Prior to being referred to our institution, the patient was misdiagnosed as a case of sciatica due to a lumbar disc herniation and underwent an operation unsuccessfully, as there was little symptomatic improvement 2 months after the surgery...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900013/surgical-treatment-of-rare-giant-malignant-tumors-of-the-scalp-a-report-of-3-cases-with-different-tumor-types
#3
Xiaoliang Liu, Wenzhong Li, Hepei Yuan, Weihong Gu, Dawei Chen
The scalp is the most frequent site of occurrence of malignant tumors. As an area that is generally neglected by the patient and not closely monitored during physical examinations, scalp tumors can go unnoticed until they become malignant. The present study reports 3 cases of rare giant malignant tumors of the scalp, namely a peripheral nerve sheath tumor, a fibrous tumor and a malignant proliferating trichilemmal tumor, that were treated at The First Bethune Hospital of Jilin University (Changchun, China)...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27893553/healing-effects-of-platelet-rich-plasma-on-peripheral-nerve-injuries
#4
Farshid Bastami, Peyman Vares, Arash Khojasteh
Regeneration of peripheral nerve injuries (PNIs) has been a major challenging issue in regenerative medicine and tissue engineering. Inferior alveolar nerve and lingual nerve injuries are the major difficulties and complications of oral surgeries following dental implant placement, etc. The aim of this study was to systematically review the effects of platelet-rich plasma (PRP) on the regeneration of PNIs. Medline NCBI databases were searched for related articles up to and including May 2016. Being published in English papers, use of PRP in peripheral nerve regeneration, in vivo studies, and having histological evaluations was the inclusion criteria...
November 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27890348/out-of-the-box-pelvic-surgery-including-iliopsoas-resection-for-recurrent-gynecological-malignancies-does-that-make-sense-a-single-institution-case-series
#5
G Vizzielli, V Chiantera, G Tinelli, A Fagotti, V Gallotta, A Di Giorgio, S Gueli Alletti, G Scambia
OBJECTIVE: To report morbidity and oncological outcomes in a consecutive series of lateral isolated recurrent gynecological cancer involving the pelvic side wall (PSW) including the iliopsoas muscle. MATERIAL AND METHODS: We retrospectively evaluated a consecutive series between 6/2013 and 12/2015 of lateral isolated recurrent gynecological malignancies treated with a lateral endopelvic resection (LEPR). LEPR was defined as an en-bloc lateral resection of a pelvic tumor with sidewall muscle, and/or bone, and/or major nerve, and/or major vascular structure...
November 17, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27885855/frameless-stereotactic-volumetric-modulated-arc-radiotherapy-of-brachial-plexus-tumours-in-dogs-10-cases
#6
Mario Dolera, Luca Malfassi, Cristina Bianchi, Nancy Carrara, Sara Finesso, Silvia Marcarini, Giovanni Mazza, Simone Pavesi, Massimo Sala, Gaetano Urso
OBJECTIVES: Treatment of canine peripheral nerve sheath tumours (PNSTs) is challenging, and prognosis after surgical resection is considered poor. The aim of this study was to evaluate the feasibility and the effectiveness of stereotactic radiotherapy of these tumours. METHODS: Ten dogs with clinical symptoms and MRI findings consistent with PNSTs of the brachial plexus, branches and nerve roots were treated with LINAC-based volumetric modulated arc radiotherapy (VMAT) with a dose of 35 Gy/5 fractions...
November 25, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27876000/comparison-of-repair-of-peripheral-nerve-transection-in-predegenerated-muscle-with-and-without-a-vein-graft
#7
Jamshid Mohammadi, Hamdollah Delaviz, Bahram Mohammadi, Hamoun Delaviz, Parastou Rad
BACKGROUND: Despite substantial research into the topic and valiant surgical efforts, reconstruction of peripheral nerve injury remains a challenging surgery. This study was conducted to evaluate the effectiveness of axonal regeneration of a transected sciatic nerve through a vein conduit containing degenerated skeletal muscle compared with axonal regeneration in a transected sciatic nerve through degenerated skeletal muscle alone. METHODS: In two of the three experimental rat groups, 10 mm of the left sciatic nerve was transected and removed...
November 22, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27865067/laminin-modified-and-aligned-phbv-peo-nanofibrous-nerve-conduits-promote-peripheral-nerve-regeneration
#8
Xiao-Feng Zhang, Hai-Xia Liu, Lazarus Santiago Ortiz, Zhong-Dang Xiao, Ning-Ping Huang
Poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) has received much attention for its biodegradability and biocompatibility, characteristics which are required in tissue engineering. In this study, polyethylene oxide (PEO)-incorporated PHBV nanofibers with random or aligned orientation were obtained by electrospinning. For further use in vivo, the nanofiber films were made into nerve conduits after treated with NH3 plasma, which could improve the hydrophilicity of inner surfaces of nerve conduits and then facilitate laminin adsorption via electrostatic interaction for promoting cell adhesion and proliferation...
November 12, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27864992/the-mri-bullseye-sign-an-indicator-of-peripheral-nerve-constriction-in-parsonage-turner-syndrome
#9
Darryl B Sneag, Eliana B Saltzman, David W Meister, Joseph H Feinberg, Steve K Lee, Scott W Wolfe
INTRODUCTION: Magnetic resonance imaging's (MRI's) role in identifying hourglass constrictions (HGCs) of nerves in Parsonage-Turner syndrome (PTS) is largely unknown. METHODS: Six patients with PTS and with absent or minimal recovery underwent MRI. Surgical exploration was performed at identified pathologic sites. RESULTS: The time between symptom onset and surgery was 12.4 ± 6.9 months; the time between MRI and surgery was 1.3 ± 0...
November 16, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27861415/decompressive-surgery-for-diabetic-neuropathy-waiting-for-incontrovertible-proof
#10
Martijn R Tannemaat, Mirjam Datema, J Gert van Dijk, Rajiv Midha, Martijn J A Malessy
: : Triple decompression surgery has been advocated as a treatment for diabetic peripheral neuropathy (DPN). A practice advisory published in 2006 by the American Academy of Neurology concluded that "this treatment alternative should be considered unproven." Since then, multiple cohort studies involving several thousands of patients and 1 nonblind, randomized, controlled trial have been published, suggesting that surgical treatment of DPN has become commonplace in many centers globally...
December 2016: Neurosurgery
https://www.readbyqxmd.com/read/27857878/magnetic-resonance-imaging-assessment-of-vascular-contact-of-the-facial-nerve-in-the-asymptomatic-patient
#11
Nicholas L Deep, Geoffrey P Fletcher, Kent D Nelson, Ameet C Patel, David M Barrs, Bernard R Bendok, Joseph M Hoxworth
Objective The objective of this study was to determine the prevalence of facial nerve vascular contact on magnetic resonance imaging (MRI) in patients without hemifacial spasm (HFS). Study Design Our radiology database was queried to identify consecutive adult patients without a history of HFS, intracranial tumor, brain radiation therapy, intracranial surgery, traumatic brain injury, or trigeminal nerve vascular compression. One hundred high-resolution MRIs of the posterior fossa were independently reviewed by two neuroradiologists for facial nerve vascular contact (200 sides)...
December 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27837039/low-risk-for-local-and-systemic-complications-after-primary-repair-of-1626-achilles-tendon-ruptures
#12
Nicholas Rensing, Brian R Waterman, Rachel M Frank, Kenneth A Heida, Justin D Orr
INTRODUCTION: Historically, Achilles tendon repairs and other surgeries about the hindfoot have demonstrated a significantly higher rate of wound healing complications and surgical site morbidity. The purpose of this study was to evaluate the comprehensive complication profile and risk factors for adverse short-term, clinical outcomes after primary repair of Achilles tendon ruptures. METHODS: Between the years 2005 and 2014, all cases of primary Achilles tendon repair (Current Procedural Terminology code 27650) entered into the National Surgical Quality Improvement Project (NSQIP) database were extracted for analysis...
November 10, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27834629/malignant-peripheral-nerve-sheath-tumors-of-the-spine-results-of-surgical-management-from-a-multicenter-study
#13
Dean Chou, Mark H Bilsky, Alessandro Luzzati, Charles G Fisher, Ziya L Gokaslan, Laurence D Rhines, Mark B Dekutoski, Michael G Fehlings, Ravi Ghag, Peter Varga, Stefano Boriani, Niccole M Germscheid, Jeremy J Reynolds
OBJECTIVE Malignant peripheral nerve sheath tumors (MPNSTs) are rare soft-tissue sarcomas. Resection is the mainstay of treatment and the most important prognostic factor. However, complete resection of spinal MPNSTs with tumor-free margins is challenging due to the likelihood of residual tumor cells. The objective of this study was to describe whether the type of Enneking resection in the management of spinal MPNSTs had an effect on local recurrence and survival. METHODS The AOSpine Knowledge Forum Tumor developed a multicenter database that includes demographic, diagnostic, therapeutic, local recurrence, and survival data on patients with primary spinal column tumors...
November 11, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27833497/peroneal-nerve-palsy-after-compression-stockings-application
#14
Jun Hyun Kim, Won Il Kim, Ji Yeon Kim, Won Joo Choe
Peroneal nerve palsy can be caused by various etiology. We report unilateral peroneal nerve palsy after compression stockings application. A 64-year-old man underwent off-pump coronary bypass graft. Surgeon did not use saphenous vein for the bypass graft. Sedation was stopped after 3 h postoperative. After 16 h, for prophylaxis of deep vein thrombosis, knee-high elastic stocking was applied. After 1 h, he took off right stocking because of numbness but left stocking was kept. After 24 h postoperative, (8 h after stocking application) patient complained suddenly left foot drop...
October 2016: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/27828793/comparison-of-supraclavicular-and-infraclavicular-brachial-plexus-block-a-systemic-review-of-randomized-controlled-trials
#15
Sun-Kyung Park, Su-Young Lee, Won Ho Kim, Han-Seul Park, Young-Jin Lim, Jae-Hyon Bahk
BACKGROUND: Supraclavicular (SC) and infraclavicular (IC) brachial plexus block (BPB) are commonly used for upper extremity surgery. Recent clinical studies have compared the effect of SC- and IC-BPB, but there have been controversies over spread of sensory blockade in each of the 4 peripheral nerve branches of brachial plexus. METHODS: This study included a systemic review, using the Medline and EMBASE database from their inceptions through March 2016. Randomized controlled trials (RCTs) comparing SC- and IC-BPB were included...
November 8, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27818351/intrathoracic-neurogenic-tumor-with-malignant-transition-20-years-operation-experience-in-a-medical-center-of-china
#16
Chenlu Yang, Deping Zhao, Peng Zhang, Ke Fei, Gening Jiang
OBJECTIVE: Malignant peripheral neurogenic tumor is always found in large peripheral nerve of the extremities, however, benign peripheral neurogenic tumors of chest is an uncommon disorder, furthermore, malignant transition is even rare. So far, few cases have been reported. We studied 45 neurogenic thoracic tumors patients with malignant transition. METHODS: We retrospectively reviewed clinical data of 45 malignant neurogenic thoracic tumors from 1992 to 2012, including 11 (24...
November 3, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27817994/favorable-early-results-of-impaction-bone-grafting-with-reinforcement-mesh-for-the-treatment-of-paprosky-3b-acetabular-defects
#17
Bradford S Waddell, Friedrich Boettner, Alejandro Gonzalez Della Valle
BACKGROUND: We present the early institutional experience with the use of impaction bone grafting, mesh augmentation, and cement fixation of an all-polyethylene cup for the treatment of Paprosky 3B acetabular defects during revision total hip arthroplasty. METHODS: Between 2005 and 2014, 21 patients (9 men, 12 women) with Paprosky 3B acetabular defects who underwent revision total hip arthroplasty using this technique were reviewed clinically and radiographically...
October 5, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27816894/c2-dumbbell-shaped-peripheral-nerve-sheath-tumors-surgical-management-and-relationship-with-venous-structures
#18
Zuowei Wang, Xingwen Wang, Hao Wu, Zan Chen, Qingguo Yuan, Fengzeng Jian
OBJECTIVES: This study focuses on the adjacent venous structures of tumors and their treatment in patients with second cervical (C2) dumbbell-shaped peripheral nerve sheath tumors (PNSTs). PATIENTS AND METHODS: The authors retrospectively analyzed the clinical outcome and the venous structures involved with tumors in 16 patients with C2 dumbbell-shaped PNSTs treated surgically between 2008 and 2015. RESULTS: The venous structures at the craniocervical junction could be visualized in all 16 patients on contrast-enhanced T1-weighted magnetic resonance imaging...
October 24, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27816247/the-effect-of-low-intensity-ultrasound-on-brain-derived-neurotropic-factor-expression-in-a-rat-sciatic-nerve-crushed-injury-model
#19
Xue-Jun Ni, Xiao-Dong Wang, Ya-Hong Zhao, Hua-Lin Sun, Yu-Ming Hu, Jian Yao, Yi Wang
Low-intensity ultrasound (LIU) can improve nerve regeneration and functional recovery after peripheral nerve crush injury, but the underlying mechanism is not clear. The objective of this study was to examine the effects of LIU on rat sciatic crush injury and to investigate a possible molecular mechanism. Adult male Sprague-Dawley rats underwent left sciatic nerve crush surgery and were then randomized into two groups: a treatment group that received LIU every other d, and a control group that received sham exposure...
November 2, 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27810215/development-of-a-peripheral-nerve-stimulator-guided-technique-for-equine-pudendal-nerve-blockade
#20
K Gallacher, L C Santos, L Campoy, A J Bezuidenhout, R O Gilbert
The aim of this study was to develop and evaluate a procedure for equine pudendal nerve block using a peripheral nerve locator. In the first experiment, six ponies were used to determine the relationship between elicited muscle contractions (anal, perineal or both) and nerves serving the perineal region (pudendal, caudorectal and perineal nerves) when methylene blue dye was injected using the electrolocation technique. This experiment showed that the pudendal nerve was approached effectively when both anal and perineal twitch were elicited during electrolocation...
November 2016: Veterinary Journal
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