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  2. Malignant peripheral nerve sheath tumor - Wikipedia

    en.wikipedia.org/wiki/Malignant_peripheral_nerve...

    A malignant peripheral nerve sheath tumor (MPNST) is a form of cancer of the connective tissue surrounding peripheral nerves. Given its origin and behavior it is classified as a sarcoma. About half the cases are diagnosed in people with neurofibromatosis; the lifetime risk for an MPNST in patients with neurofibromatosis type 1 is 8–13%. [2]

  3. Peripheral nerve tumor - Wikipedia

    en.wikipedia.org/wiki/Peripheral_nerve_tumor

    New and more precisely defined entities include malignant melanotic nerve sheath tumor (formerly known as melanotic schwannoma) and hybrid nerve sheath tumors. [4] [5] The majority of peripheral nerve tumors are benign tumors of the nerve sheath (usually schwannomas); on rare occasions, they are metastatic tumors or originate from the nerve cells.

  4. Nerve sheath tumor - Wikipedia

    en.wikipedia.org/wiki/Nerve_sheath_tumor

    Each nerve sheath tumor type has a few different associated features on MRI imaging. Neurofibromas and malignant peripheral nerve sheath tumors can be difficult to distinguish from each other and may require additional testing, including PET scans (18 FDG-PET). [1] Image-guided needle biopsies may be performed if there is concern for malignancy ...

  5. 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 3 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 ...

  6. Primitive neuroectodermal tumor - Wikipedia

    en.wikipedia.org/.../Primitive_neuroectodermal_tumor

    Primitive neuroectodermal tumor is a malignant (cancerous) neural crest tumor. [1] It is a rare tumor , usually occurring in children and young adults under 25 years of age. The overall 5 year survival rate is about 53%.

  7. Malignant triton tumor - Wikipedia

    en.wikipedia.org/wiki/Malignant_triton_tumor

    Malignant triton tumor (MTT) is a relatively rare, aggressive tumor made up of both malignant schwannoma cells and malignant rhabdomyoblasts. It is classified as a malignant peripheral nerve sheath tumor with rhabdomyosarcomatous differentiation.

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