Term
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Definition
| A mass of unnecessary and often abnormal cells growing in the brain. |
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Term
True or False
EEG abnormalities can not reflect the local functional changes of the neurons in the region infiltrated and damaged by tumor. |
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Definition
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Term
| What type of cause are Intracranial neoplasms? |
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Definition
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Term
| What are the two causes of tumors? |
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Definition
| Genetic and Environmental |
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Term
| name two typses of Genetic factors |
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Definition
| Gene alterations and Hersditary factors |
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Term
| Name the tree types of Environmental factors. |
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Definition
| Physical, chemical, and biological agents |
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Term
| What are the two degrees of malignancy or aggressiveness? |
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Definition
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Term
| A type of tumor that is life threatening and that invades and destroys nearby tissues |
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Definition
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Term
| A tumor that has vary slow growing cells that has distinct borders and rarely spreads |
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Definition
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Term
| How meny stages of speed to tumors grow in, (grades of speed) |
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Definition
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Term
| What size lesion abnormality is usually not seen? |
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Definition
| 2cm in diameter, unless seizures have occurred |
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Term
| What are the five characteristics of tumors that can cause EEG Abnormalities? |
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Definition
| Size, location, Depth, Pathology, and Rate of groth. |
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Term
| Deep-seated lesions can produce what on an EEG? |
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Definition
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Term
| Superficial lesions can cause what kind of disturbance on an EEG. |
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Definition
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Term
True or False
Malignant tumors are more likely to produce abnormalities then beign tumors |
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Definition
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Term
| What three categories are tumors classified in? |
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Definition
| Primary brain tumors, Intracranial structures other than the brain, and medistatic |
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Term
| What classification of tumor is one that starts in cells in the brain? |
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Definition
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Term
| Primary brain tumors in adults predominantly are found where? |
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Definition
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Term
| Primary brain tumors in children predominantly are found where? |
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Definition
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Term
| Tumors that are made up of glial cells are classified as what? |
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Definition
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Term
| what are the 5 types of Gliomas? |
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Definition
| Astrocytomas, Glioblastoma multiforme, Oligodendrogliomas, Medulloblastomas, and Ependymomas. |
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Term
| Wich Gliomas is most common? |
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Definition
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Term
| Wich Glioma is also known as the butterfly and why? |
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Definition
| Glioblastoma, because it invades the opposite hemisphere via the corpus callosum |
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Term
| Wich Glioma is commonly seen in the cerebral hemisphere, 50% of wich occure in the frontal lobe. |
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Definition
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Term
| wich Glioma is most commonly found in children and is located in the cerebellum and/or 4th ventricle? |
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Definition
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Term
| wich Glioma usually occures befor the age of 50 and is seen more commonly in children and pashents with hydrocephalus? |
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Definition
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Term
| What are the symptoms of Astocytomas and what is its treatments? |
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Definition
| Focal or generalized seizures, surgery |
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Term
| What are the symptoms of Glioblastoma and what is its treatments? |
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Definition
| Headach, seizure, memory loss, changes in behavior, surgery, radiation, chemotherapy. |
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Term
| What are the symptoms of Oligodendrogliomas and what is its treatments? |
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Definition
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Term
| What are the symptoms of Medulloblastomas and what is its treatments? |
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Definition
| listless, nausea and vomiting, morning headache, swollen optic nerve, uncoordinated walk, dizziness, Children under 3 get chemotherapy and children over 3 get radiation |
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Term
| What are the symptoms of Ependymomas and what is its treatments? |
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Definition
| treatment is surgery followed by radiation |
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Term
| what are the primary sites for intracranial structures other then the brain? |
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Definition
| meninges, pituitary gland, and the 8th nerve (Acoustic neuronas) |
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Term
| what is well encapsulated with distinct borders and arises from the arachnoid cells of the mening of the brain and spinal corde? |
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Definition
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Term
| What gets biger within the sella tvrcica as the tumor grows. |
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Definition
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