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CNS metastasis is the spread and proliferation of cancer cells from their original tumour to form secondary tumours in portions of the central nervous system. [ 1 ] The process of tumour cells invading distant tissue is complex and obscure, but modern technology has permitted an enhanced detection of metastasis .
A central nervous system tumor (CNS tumor) is an abnormal growth of cells from the tissues of the brain or spinal cord. [1] CNS tumor is a generic term encompassing over 120 distinct tumor types. [2] Common symptoms of CNS tumors include vomiting, headache, changes in vision, nausea, and seizures. [3]
Neuroimaging is the use of quantitative (computational) techniques to study the structure and function of the central nervous system, developed as an objective way of scientifically studying the healthy human brain in a non-invasive manner. Increasingly it is also being used for quantitative research studies of brain disease and psychiatric ...
Clinical signs of a problem in the CNS; Evidence of two or more areas of CNS involvement; Evidence of white matter involvement; One of these: Two or more relapses (each lasting ≥ 24 hr and separated by at least 1 month) or progression (slow or stepwise) Patient should be between 10 and 50 yr old at time of examination
Certain anatomical sites exhibit a heightened risk for CNS relapse due to their proximity to the central nervous system or unique immune properties. The most widely recognized sites are the kidney and adrenal glands, which have already been incorporated into the CNS-IPI score. Breast and testicular involvement show growing significance as well. [3]
Primary central nervous system lymphoma (PCNSL), also termed primary diffuse large B-cell lymphoma of the central nervous system (DLBCL-CNS), [2] is a primary intracranial tumor appearing mostly in patients with severe immunodeficiency (typically patients with AIDS). It is a subtype and one of the most aggressive of the diffuse large B-cell ...
The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain and spinal cord.The CNS is so named because the brain integrates the received information and coordinates and influences the activity of all parts of the bodies of bilaterally symmetric and triploblastic animals—that is, all multicellular animals except sponges and diploblasts.
MRI is the investigative tool for contrasting grey and white matter, which makes MRI the choice to study many conditions of the central nervous system. [25] This method contributed to the development of Functional Magnetic Resonance Imaging (fMRI), which has been used in many studies in cognitive neuroscience since 1990s.