نتایج جستجو برای: brain tumor

تعداد نتایج: 871781  

Journal: :Asian Journal of Research in Computer Science 2021

A brain tumor is a problem that threatens life and impedes the normal working of human body. The needs to be identified early for proper diagnosis effective treatment planning. Tumor segmentation from an MRI image one most focused areas medical community, provided non-invasive imaging. Brain involves distinguishing abnormal tissue tissue. This paper presents systematic literature review strateg...

F. Ghaemmaghami, F.Amouzegar Hashemi, N. Behtash,

  Abstract: Gestational Trophoblastic Neoplasm (GTN) is among rare human tumors which can be observed with widespread metastasis. Two young patients with emergent neurologic symptoms with no gynecological problems are presented in this report. GTN was later diagnosed in both cases with brain metastasis. The first case: A 22 years old patient, admitted to the infectious disease ward, with probab...

Journal: :Lecture Notes in Computer Science 2022

Glioblastomas are the most aggressive fast-growing primary brain cancer which originate in glial cells of brain. Accurate identification malignant tumor and its sub-regions is still one challenging problems medical image segmentation. The Brain Tumor Segmentation Challenge (BraTS) has been a popular benchmark for automatic glioblastomas segmentation algorithms since initiation. In this year, Br...

Journal: :iranian journal of neuro surgery 0
محمد شیرانی mohammad shirani sina hospital, department of neurosurgery, tehran university of medical sciences, tehran, iranتهران، بیمارستان سینا میثم علی محمدی maysam alimohamadi sina hospital, department of neurosurgery, tehran university of medical sciences, tehran, iranتهران، بیمارستان سینا رضا شریعت محرری reza shariat moharari department of anesthesiology, sina hospital, tehran university of medical sciences, tehran, iranتهران، بیمارستان سینا کوروش کریمی یارندی koorosh karimi yarandi sina hospital, department of neurosurgery, tehran university of medical sciences, tehran, iranتهران، بیمارستان سینا سید ابراهیم کتابچی seyed ebrahim ketabchi sina hospital, department of neurosurgery, tehran university of medical sciences, tehran, iranتهران، بیمارستان سینا عباس امیرجمشیدی abbas amirjamshidi تهران، بیمارستان سینا

background & importance: insular lobe is located at the depth of sylvian fissure and is hidden by frontal, temporal and parietal lobes in close vicinity of internal capsule and basal ganglia and adjacent to the speech centers in the dominant hemisphere. thus, radical resection of insular gliomas can be even more difficult. brain mapping techniques can be used to maximize the extent of tumor rem...

Journal: :journal of lasers in medical sciences 0
maryam bahreini laser and plasma research institute, shahid beheshti university, g. c., evin, tehran, 1983963113, iran

in the surgical treatment of malignant tumors, it is crucial to characterize the tumor as precisely as possible. the determination of the exact tumor location as well as the analysis of its properties is very important in order to obtain an accurate diagnosis as early as possible. in neurosurgical applications, the optical, non-invasive and in situ techniques allow for the label-free analysis o...

Abdolhadi Daneshi, Hossain Ghaleh-Noyi, Mehdi Ghaffari, Mousa Taghipour, Reza Ahadi, Reza Alizadeh, Reza Mollahossaini, Sadegh Izadi,

In this study, 22 patients (15-75 years old) were selected and transferred to CT scan for tumor ablation. For ablations, after prep and drep under the local anesthesia and mild sedation in proper position, small incision made and special needle inserted and guided by proper direction to the core of the tumor. Then, laser probe inserted through the needle and laser energy delivered. Although we ...

Journal: :International Journal of Computer Assisted Radiology and Surgery 2015

Journal: :iranian journal of cancer prevention 0
mehdi pooladi 1. proteomics research center, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran, iran 2. dept. of biology, school of basic sciences, science and research branch, islamic azad university, tehran, iran mostafa rezaei-tavirani proteomics research center, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran, iran mehrdad hashemi dept. of molecular genetics, tehran medical branch, islamic azad university tehran, iran saeed hesami-tackallou dept. of biology, garmsar branch, islamic azad university, garmsar, iran solmaz khaghani-razi-abad 1. proteomics research center, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran, iran 2. dept. of biology, school of basic sciences, science and research branch, islamic azad university, tehran, iran afshin moradi dept. of pathology, shohada hospital, shahid beheshti university of medical science, tehran, iran

background: dihydropyrimidinase related proteins (drps) have known homologous to the collapsing response mediator proteins (crmps). the drp gene family has comprised four members, drp 1, 2, 3, and 4, all out of which have considered to be involved in axonal outgrowth and path-finding. methods: the protein has extracted from tumor, normal brain tissues, and then the protein purity has evaluated ...

Amir Nami Mehran Yarahmdi Sohaila Yazdani, Sohrab Sakinehpor

Introduction: Glioma is the most common type of primary brain tumor that originates from glial tissues. These types of tumors have a high degree of malignancy and poor prognosis and low survival rates. The evaluation response to treatment is essential to decide whether present treatment is adequate or need for alternative therapy. The aim of this study was to evaluate the resp...

Journal: :The AIUB journal of science and engineering 2021

In the Medical field, Brain Tumor Detection has become a critical and demanding task because of its several shapes, locations, intensity image. That’s why an automated system is important to aid physicians radiologists in detecting classifying brain tumors. this research, we have discussed different machine learning as well deep algorithm which are mostly used for image classification. We also ...

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