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  2. Primary central nervous system lymphoma - Wikipedia

    en.wikipedia.org/wiki/Primary_central_nervous...

    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 ...

  3. Ring-enhancing lesion - Wikipedia

    en.wikipedia.org/wiki/Ring-enhancing_lesion

    CNS lymphoma and CNS toxoplasmosis A ring-enhancing lesion is an abnormal radiologic sign on MRI or CT scans obtained using radiocontrast . On the image, there is an area of decreased density (see radiodensity ) surrounded by a bright rim from concentration of the enhancing contrast dye.

  4. Nervous system tumor - Wikipedia

    en.wikipedia.org/wiki/Nervous_system_tumor

    A nervous system tumor is a tumor that arises within the nervous system, either the central nervous system (CNS) or the peripheral nervous system (PNS). [1] [2] Nervous system primary tumors include various types of brain tumor and spinal tumors, such as gliomas, and meningiomas (of the CNS), and schwannomas (of the PNS) and can be either benign or malignant.

  5. Central neurogenic hyperventilation - Wikipedia

    en.wikipedia.org/wiki/Central_neurogenic...

    Intracerebral B-cell lymphoma represents less than 1% of all primary malignant tumors of the central nervous system. [6] [1] [3] Infiltration of lymphoma cells into the pons and medulla is the most frequently reported cause of CNH, accounting for half of all CNH-inducing brain tumors, despite its considerable rarity. It has been suggested that ...

  6. Central nervous system tumor - Wikipedia

    en.wikipedia.org/wiki/Central_nervous_system_tumor

    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]

  7. Nervous system neoplasm - Wikipedia

    en.wikipedia.org/wiki/Nervous_system_neoplasm

    A nervous system neoplasm is a tumor that arises within the nervous system, either the central nervous system (CNS) or the peripheral nervous system (PNS). [ 1 ] [ 2 ] . Nervous system neoplasms include various types of brain and spinal cord tumors, such as gliomas , and meningiomas (of the CNS), and schwannomas (of the PNS) and can be either ...

  8. CNS metastasis - Wikipedia

    en.wikipedia.org/wiki/CNS_metastasis

    Brain MRI of a patient diagnosed with primary cardiac angiosarcoma that metastasised to the brain. MRI scans use strong magnetic fields and radio waves to create an image, while CT scans use X-rays. MRI scans produce more detailed images of bodily structures, particularly soft tissues including the brain, [13] and are better at detecting CNS ...

  9. Brain tumor - Wikipedia

    en.wikipedia.org/wiki/Brain_tumor

    This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Neoplasm in the brain Medical condition Brain tumor Other names Intracranial neoplasm, brain tumour, brain cancer Brain metastasis in the right cerebral hemisphere from lung cancer, shown on magnetic resonance imaging Specialty Neurosurgery, neuro-oncology Symptoms Vary depending on the ...

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