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  2. Optic nerve sheath meningioma - Wikipedia

    en.wikipedia.org/wiki/Optic_nerve_sheath_meningioma

    Clinical examination will show an abnormal optic disc, either swollen or atrophic. Optociliary shunt vessels may be seen; the combination of these with progressive visual loss and optic disc atrophy is known as the Hoyt-Spencer triad. Visual acuity is usually but not always reduced. When ONSM is suspected, MRI of the brain or orbits should be ...

  3. Meningioma - Wikipedia

    en.wikipedia.org/wiki/Meningioma

    Even if, by general rule, neoplasms of the nervous system (brain tumors) cannot metastasize into the body because of the blood–brain barrier, anaplastic meningioma can. Although they are inside the cerebral cavity, they are located on the bloodside of the BBB, because meningiomas tend to be connected to blood vessels.

  4. Medullary thyroid cancer - Wikipedia

    en.wikipedia.org/wiki/Medullary_thyroid_cancer

    Clinical trials of protein kinase inhibitors, [13] which block the abnormal kinase proteins involved in the development and growth of medullary cancer cells, showed clear evidence of response in 10-30% of patients. In the majority of responders there has been less than a 30% decrease in tumor mass, yet the responses have been durable; responses ...

  5. Multiple endocrine neoplasia - Wikipedia

    en.wikipedia.org/wiki/Multiple_endocrine_neoplasia

    The main transcript of 2.8 kb has been described in a large variety of human tissues (pancreas, thymus, adrenal glands, thyroid, testis, leukocytes, heart, brain, lung, muscle, small intestine, liver, and kidney); an additional transcript of approximately 4 kb has been detected in pancreas and thymus, suggesting tissue-specific alternative ...

  6. 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 13 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 ...

  7. Neuroendocrine tumor - Wikipedia

    en.wikipedia.org/wiki/Neuroendocrine_tumor

    Neuroendocrine tumors (NETs) are neoplasms that arise from cells of the endocrine and nervous systems.They most commonly occur in the intestine, where they are often called carcinoid tumors, but they are also found in the pancreas, lung, and the rest of the body.

  8. Neurodevelopmental disorder - Wikipedia

    en.wikipedia.org/wiki/Neurodevelopmental_disorder

    Neurodevelopmental disorders are a group of mental conditions affecting the development of the nervous system, which includes the brain and spinal cord.According to the American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, published in 2013, these conditions generally appear in early childhood, usually before children start school, and can ...

  9. Embryonal carcinoma - Wikipedia

    en.wikipedia.org/wiki/Embryonal_carcinoma

    The clinical features associated with metastasising embryonal carcinoma may include low back pain, dyspnoea, cough, haemoptysis, haematemesis and neurologic abnormalities. [ 1 ] Males with pure embryonal carcinoma tend to have a normal amount of the protein alpha-fetoprotein in the fluid component of their blood.