نتایج جستجو برای: brain tumor
تعداد نتایج: 871781 فیلتر نتایج به سال:
Brain tumors cause widespread apprehension in society, associated with poor prognosis and death. Laymen most often associate them glioblastoma multiforme which is fact the common malignant primary brain tumor (formerly it was considered tumor, now thought that meningiomas are common). The interest of both public physicians aroused by potential risk factors. only evidence based factor ionizing r...
Glioblastoma (GBM) is the most aggressive primary brain tumor with poor prognosis and high recurrence rate. The presence of blood–brain barrier (BBB) prevents diagnostic therapeutic drugs from penetrating working in GBM. In traditional surgical treatment, it difficult to completely distinguish boundary between surrounding normal tissue, resulting incomplete resection tumor. Therefore, diagnosis...
hepatoblastoma (hb) is a rare tumor of infancy and childhood manifesting with hepatomegaly and abdominal distention. it is seen with increased frequency in association with congenital hemihypertrophy and renal anomalies. metastases to other organs, including the lungs, lymph nodes and even ovaries is well known. but cerebral metastasis of this tumor, especially in the absence of metastasis to o...
This work presents a method for classification and segmentation of brain tumors based on deep learning analysis contrast T1 (T1c) MR images. To achieve this goal, three different networks are investigated i.e., U-Net, VGG16-Segnet, DeepLabv3+ models. In addition, the integration 3D narrow-band information MRI volumes is imported to input Convolutional Neural Network (CNN) describe more accurate...
glioblastoma is the most common and the most lethal primary brain cancer. this malignancy is highly locally invasive, rarely metastatic and resistant to current therapies. little is known about the distinct molecular biology of glioblastoma multiforme (gbm) in terms of initiation and progression. so far, several molecular mechanisms have been suggested to implicate in gbm development. homeodoma...
Abstract Approximately 50% of all brain metastasis cases originate from primary lung tumors. Whole-brain radiation therapy (WBRT) is a common treatment for patients with multiple metastases, but rarely survive longer than one year after diagnosis. Recent studies demonstrate improved outcomes combinatorial radiotherapy and immunotherapy, the optimal timing immunotherapy administration unclear. E...
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