نتایج جستجو برای: cervicothoracic junction

تعداد نتایج: 51552  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1389

مقدمه: gj)gap junction) مجرایی را برای مبادله عوامل سیگنالینگ (ca++, k+) ، پیامبرهای ثانویه camp, ip3)) و متابولیت های کوچک بین سلول های مجاور فراهم می نماید. این کانالها از 6 زیر واحد connexin ساخته شده که در نخاع و سایر بخش های سیستم عصبی(هیپوکامپ، نئوکورتکس، هسته زیتون تحتانی، مخچه ) شناسایی شده اند. در این مطالعه این فرض مورد بررسی قرار می گیرد که gj ها در انتقال سیگنالهای درد در مراکز نخاع...

Journal: :Journal of Vascular Surgery 1986

2015
Ho-Young Park Sun-Ho Lee Se-Jun Park Eun-Sang Kim Chong-Suh Lee Whan Eoh

OBJECTIVE The cervicothoracic junction (CTJ) is a biomechanically and anatomically complex region that has traditionally posed problems for surgical access. In this retrospective study, we describe our clinical experiences of the treatment of metastatic spinal tumors at the CTJ and the results. METHODS From June 2006 to December 2011, 23 patients who underwent surgery for spinal tumors involv...

Hossein Mashhadi Nejad Maryam Salehi Mohammad Taghi Rajabi Mashadi Reza Bagheri Shima Sheibani

Introduction:Neurogenic mediastinal tumors comprise a wide range of benign and malignant diseases. A group of these tumors, located at thoracic apex, sometimes spread to cervical spaces causing numerous surgical difficulties. In thoracotomy approaches, due to proximity of the tumors to major blood vessels, complete removal of these tumors from cervical spaces is impossible or may cause intraope...

2015
Zahir Kizilay Ali Yilmaz Ayca Ozkul Ozgur Ismailoglu

Several types of intraspinal cyst develop within the spinal canal from the craniovertebral junction to the sacrum. These lesions occur in both children and adults. Arachnoid cysts are one of them and are more frequent in the paediatric population, being a relatively uncommon lesion in adults. The arachnoid cyst may be located intradurally or extradurally. The intradural type may be congenital o...

Journal: :acta medica iranica 0
h. r. sadeghipour m. mesbahian1 a.r. dehpour

it has been reported that cither lithium or verapamil can potentiate the neuromuscular blocking activity of certain neuromuscular blockers. in the present investigation, possible interaction of verapamil with lithium has been described. the dose ■ response effects of verapamil and lithium on diaphragmatic contractility were assessed in vitro. mechanical responses of the muscle to indirect (nerv...

Journal: :AJNR. American journal of neuroradiology 2010
R Thiex J B Mulliken N Revencu L M Boon P E Burrows M Cordisco Y Dwight E R Smith M Vikkula D B Orbach

BACKGROUND AND PURPOSE CM-AVM is a recently recognized autosomal dominant disorder associated with mutations in RASA1. Arteriovenous lesions have been reported in the brain, limbs, and the face in 18.5% of patients. We report a novel association between RASA1 mutations and spinal arteriovenous anomalies. MATERIALS AND METHODS In a collaborative study, 5 index patients (2 females, 3 males) wit...

Journal: :Proceedings 2014
Amin F Saad Larry T Nickell S Sam Finn Michael J Opatowsky

Ependymomas represent 4% of all primary central nervous system neoplasms in adults, with 30% occurring in the spinal cord. We describe a young man with neurological deficits following a motor vehicle accident who was found to have an intramedullary cervicothoracic ependymoma.

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