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Transient mutism following neuroendoscopy in children: report of two cases

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Chinese Neurosurgical Journal 2016年第3期2卷 -页

作者： nima derakhshan Mohammad Sadegh Masoudi Shiraz Neuroscience Research Center Department of NeurosurgeryShiraz University of Medical SciencesShirazIran

Since the introduction of neuro-endoscopy by Walter Dandy and his colleagues in the early 1920's, several efforts has been made to improve this tool for treatment of hydrocephalus, brain tumors, arachnoid cysts, etc and has largely substituted craniotomy procedures. Several complications such as CSF leakage, intraventicular hemorrhage, infectious complications and transient and permanent psycho-neurologic deficits have been reported for neuro-endoscopic procedures in children. Here in, two cases of transient mutism following neuroendoscopy in children were reported, with special focus on pathophysiology, management and clinical course. Knowledge about the possible complications of a procedures, empowers the pediatric neurosurgeon with the ability to avoid them and also to successfully handle them once they take place. We report two patients who underwent neuro-endoscopy,first for treatment of arachnoid cyst via cystoventriculostomy and second for endoscopic third ventriculostomy(ETV) to treat hydrocephalus. Both children developed apathy and mutism following the procedure. However, this condition was transient and both children improved after a course of 5-6 days with conservative management. Mutism following neuro-endoscopic procedures in children may result from excessive traction on paraventricular white matter and disruption of fronto-subcortical circuits. It can be avoided with less intra-procedural dilation of venricles and less traction on white matter tracts with choosing a more accurate trajectory. However, this condition is transient and spontaneous resolution wil ensue in several days wth conservative management.

关键词： Hydrocephalus Endoscopic Third Ventriculostomy Arachnoid Cyst Anterior Fontanel Shunt Malfunction

Undetected pituitary adenoma in a patient with retinitis pigmentosa

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Chinese Neurosurgical Journal 2019年第4期5卷 246-250页

作者： Mousa Taghipour nima derakhshan Arash Saffarian Meisam Ghanbari Neurosurgery Department Shiraz University of Medical SciencesShirazIran Poostchi Ophthalmology Research Center Shiraz University of Medical SciencesShirazIran

Background:Retinitis pigmentosa(RP)is one of the most severe hereditary retinal disorders with a worldwide prevalence reaching 1 in every 3000-5000 people and a total of almost one million affected *** is heterogeneous in its clinical presentations but typically presents as progressive visual dysfunction,including nyctalopia in adolescence,restricted peripheral vision(tunnel vision)in young adults,and loss of central vision at an advanced *** description:Herein,we want to report a case of RP who presented with gradual worsening of vision and headache,and further evaluation revealed a concomitant non-functional pituitary *** evaluation revealed a little chance for him to regain his vision,so the patient refused to undergo endoscopic surgical ***,he is still under clinic-radiologic follow-up,to be evaluated for progression in tumor size and obstructive ***:Presenting with similar symptoms of tunnel vision,the simultaneous occurrence of these two diseases in a patient may delay the diagnosis of the latter,leading to its progression.

关键词： Sellar mass Retinitis pigmentosa Pituitary adenoma Vision loss Tunnel vision

Spinal cord injury in Parkour sport(free running):a rare case report

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Chinese Journal of Traumatology 2014年第3期17卷 178-179页

作者： nima derakhshan Mohammad Reza Zarei Zahed Malekmohammady Vafa Rahimi-Movaghar Trauma Research Center Shiraz University of Medical SciencesShirazIran Sina Trauma and Surgery Research Center Emergency MedicineTehranIran Trauma Research Center Department of Neurosurgery Sina Trauma and Surgery Research Center Tehran University of Medical SciencesTehranIran

A 24-year-old male was transferred to the emergency department while being in the state of quadriplegia with a history of performing Parkour sport,which is also called double front *** examination revealed that the patient’s muscle power was0/5 at all *** patient did not show any sense of light touch or pain in his *** radiological studies,cervical spine X-ray and CT scan images showedC4-C5subluxation with bilateral locked facets and spinal cord *** results of this very rare case study revealed that exercising Parkour sport without taking into account safety standards could result in irreversible injuries to the cervical spinal cord with fatal outcome.

关键词： Spinal cord injuries Cervical vertebrae Athletic injuries

Distinction between parkour and freerunning

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Chinese Journal of Traumatology 2015年第2期18卷 124-124页

作者： nima derakhshan Tony Machejefski Department of Neurosurgery Shiraz University of Medical Sciences Shiraz Iran President at Australian Parkour Association Royal Brisbane Hospital Queensland Australia

In regards to the case presentation entitled: "Spinal cord injury in Parkour sport (free running): a rare case report;1 by nima derakhshan et al, I received some critic letters, asking to amend the distinctions between the two entities, Parkour and Freerunning. Due to media misrepresentations, Parkour and Freerunning are often confused, and are sometimes used ***, although there are factors that make these disciplines similar, there are also important factors that make them distinct.

关键词：病例报告脊髓损伤运动

Spinal cord injury in Parkour sport （free runn,ng）： a rare case report

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Chinese Journal of Traumatology 2014年第3期17卷 178-179页

作者： nima derakhshan Mohammad Reza Zarei Zahed Malekmohammady Vafa Rahimi-Movaghar Trauma Research Center Shiraz University of MedicalSciences Shiraz Iran Sina Trauma and Surgery Research Center EmergencyMedicine Tehran Iran Trauma Research Center Department of Neurosurgery Sina Trauma and Surgery Research Center TehranUniversity of Medical Sciences Tehran Iran

当处于有执行 Parkour 运动的历史的四肢瘫痪的状态时， 24 岁的男性被转移到紧急情况部门，它也被称为两倍前面扭动。神经病学的检查表明 patient’s 肌肉力量根本是 0/5 极限。病人没在他的极限显示出轻触觉或疼痛的任何感觉。在放射... 详细信息

当处于有执行 Parkour 运动的历史的四肢瘫痪的状态时， 24 岁的男性被转移到紧急情况部门，它也被称为两倍前面扭动。神经病学的检查表明 patient’s 肌肉力量根本是 0/5 极限。病人没在他的极限显示出轻触觉或疼痛的任何感觉。在放射学的研究，颈的脊骨 X 光检查和 CT 扫描图象与双边的锁的方面和针的绳索损害显示出 C 4-C5 subluxation。这很稀罕的案例研究的结果表明没有考虑安全标准的那个锻练的 Parkour 运动能与致命的结果导致对颈的针的绳索的不可逆的损害。

关键词：脊髓损伤运动病例报告经营银行免费图像显示神经系统