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23 Cards in this Set
- Front
- Back
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#1 primary CNS tumor in adults |
Glioma |
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Diagnostic imaging of choice for cns tumors |
MRI |
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Etiology of CNS tumors |
Chemicals Synthetic rubber Pesticides Ionizing radiation Hair dyes Cell phones Smoking Viral Infections <5% Genetic |
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Most important prognosis factor in CNS tumors |
Histopathologic diagnosis or garde |
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Other prognostic factors for CNS tumors besides diagnosis and grade |
Necrosis Age Performance Status |
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Symptoms of CNS tumors |
Headache Seizures Difficulty with balance Change in vision Mental/personality changes Memory impairment |
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Symptoms for frontal lobe tumor |
Increased ICP Seizures Impaired judgement Personality changes Short term memory loss Loss of smell Speech difficulties Gait disorders |
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Symptoms for parietal lobe tumors |
Increased ICP Loss of vision Spatial disorders Seizures Language distrubances Tingling sensation INability to do do arithmetic |
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Symptoms for occipital lobe tumors |
Loss of vision Tingling Weakness Seizures |
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Symptoms for temporal lobe tumors |
Speech disorders Loss of smell Hearing issues Tinnitus Hallucinations Seizure |
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Symptoms for cerebellar tumors |
Swaying Difficulty with coordination Difficulty with speech |
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ICP caused by |
Edema Infetion Hemorrhage Disease itself Irradiation |
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Edema increases if: |
Daily dose greater than 2 Gy Whole brain is treated Steroids tapered too quickly |
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Corticosteroids to decrease edema of brain |
Prednisone Dexamethasone |
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Symptoms of ICP |
Papilledema Headache Nausea and vomiting Weakness of limbs Changes in vision Speech difficulties Seizures |
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Support cells of CNS |
Gliomas |
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Brain tumor seen with calcifications on imaging studies |
Oligodendrogliomas |
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#2 most common CNS tumors in adults |
Meningiomas |
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Type of PERIPHERAL nervous system tumor in adults |
Accoustin neurilemona "Schwannoma" |
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#1 tumor in the parasellar region |
Craniopharyngioma |
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Most common cancers that spread to brain |
Lung, breast, colon |
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OAR for CNS tumors |
Cord Ear Lens of Eye Lacrimal Gland Optic Chiasm Optic Nerve Temporal lobe Brain stem |
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Side effects of brain irradiation |
Temporary hair loss (20-40Gy) Permanent hair loss (>40 Gy) Erythema (30 Gy) Dry desquamation (40 Gy) Moist desquamation (50 Gy) Necrosis (Around 50 Gy) Myelitis (47-50 Gy) |
