نتایج جستجو برای: brain lesion

تعداد نتایج: 557044  

Journal: :international clinical neurosciences journal 0
afsoun seddighi functional neurosurgery research center, shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran amir nikouei functional neurosurgery research center, shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran amirsaeed sedighi associate professor of neurosurgery, functional neurosurgery research center, shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran mohammad asadpour functional neurosurgery research center, shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran noushin masoudian functional neurosurgery research center, shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran afshin samaei functional neurosurgery research center, shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran

background: arachnoid cysts are cerebrospinal fluid (csf) fluid-filled sacs that are located between the brain and spinal cord. spinal column arachnoid cysts are rare and mostly asymptomatic, being mostly located in intradural regions. we reported a patient who presented with neurological deficits and mid-thoracic extradural arachnoid cyst treated with en-bloc resection. case presentation: pati...

Introduction: Brain tumors such as glioma are among the most aggressive lesions, which result in a very short life expectancy in patients. Image segmentation is highly essential in medical image analysis with applications, particularly in clinical practices to treat brain tumors. Accurate segmentation of magnetic resonance data is crucial for diagnostic purposes, planning surgical treatments, a...

Introduction: Brain tumors such as glioma are among the most aggressive lesions, which result in a very short life expectancy in patients. Image segmentation is highly essential in medical image analysis with applications, particularly in clinical practices to treat brain tumors. Accurate segmentation of magnetic resonance data is crucial for diagnostic purposes, planning surgical treatments, a...

Journal: :Computer methods and programs in biomedicine 2007
Jeffrey Solomon Vanessa Raymont Allen R. Braun John A. Butman Jordan Grafman

We previously developed a software package called ABLe (analysis of brain lesions) which characterizes brain lesions in terms of lesion volume and intersection with cytoarchitecture (e.g. Brodmann areas). Since our previous publication, there have been significant improvements to this software package which utilize methods standard to the neuroimaging community. These features include spatial n...

2017
John Del Gaizo Julius Fridriksson Grigori Yourganov Argye E Hillis Gregory Hickok Bratislav Misic Chris Rorden Leonardo Bonilha

Lesion-symptom mapping is often employed to define brain structures that are crucial for human behavior. Even though poststroke deficits result from gray matter damage as well as secondary white matter loss, the impact of structural disconnection is overlooked by conventional lesion-symptom mapping because it does not measure loss of connectivity beyond the stroke lesion. This study describes h...

Journal: :International psychogeriatrics 2007
Martha E Payne Pamela S Haines Lloyd E Chambless John J B Anderson David C Steffens

BACKGROUND Studies indicate that diet may be related to the occurrence of brain lesions. The cross-sectional association between food intake and brain lesion volumes in late-life depression was examined in a cohort of elderly individuals with current or prior depression. METHODS Food intake was assessed in 54 elderly vascular depression subjects (vascular depression defined by presence of hyp...

Journal: :AJNR. American journal of neuroradiology 2002
Fabrice Bonneville David M Moriarty Belinda S Y Li James S Babb Robert I Grossman Oded Gonen

BACKGROUND AND PURPOSE The T2-weighted MR imaging total lesion volume and Expanded Disability Status Scale (EDSS) score are two common measures of relapsing-remitting multiple sclerosis disability and pathologic abnormality. Because the whole-brain N-acetylaspartate concentration is considered to be a new marker of the disease burden, the purpose of this study was to evaluate the relationship a...

Dehghani, N, Mehdizadeh , F, Sobhani , A,

ABSTRACT Trauma is the most common reason of death in 1-44 years olds. In patients with multiple rtrauma, the head is the most common involved part . Car accident is the most common cause of head injury in adults. The importance of computed tomography (CT) in diagnosis of brain trauma is well estabilished and CT of the brain is a choice method. A descriptive study was carried out in 880 patie...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2013
Irfanullah Shah Muhammad Imran Rabia Akram Sumera Rafat Kanwal Zia Muhammad Emaduddin

Primary intracranial melanoma is an extremely rare lesion of the brain. A 28 years old lady, without any co-morbid conditions, presented with headache and left side facial numbness. MRI of brain showed a mass lesion in left middle cranial fossa extending into posterior fossa, with signals characteristics of melanoma. Histology and immunohistochemistry confirmed the diagnosis after surgical exci...

Stroke is the world's largest neurological defect caused by the disruption of brain blood circulation. Apart from death, the severest damage caused by stroke, a plethora of other mental and physical disabilities can ensue the incidence of a stroke. As a result of the continued disruption of blood circulation triggered by a stroke, biochemical and physiological mechanisms affect nerve cells and ...

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