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Intracranial tumours (incidence and causes (Difference between other…
Intracranial tumours
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Clinical presentation
Focal neurological signs
45% numness, motor weakness
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Types
WHO grading
Grade 2: Still benign (semi-benign), tend to recurrence, some tumor types tend to progress to higher grades of malignancy
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Grade 3: Malignant, quick spreading, infiltrative capabilities, radiation and chemotherapy after surgical resection
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Grade 1 Benign, slow growth rate, possibility of cure following surgical resection alone
Meningioma (15%)
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focal lesion, stable over decades
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Grade 4: Malignant, most aggressive tumour, very fast growth rate, generally associated with a rapid preoperative and postoperative evolution of disease, radiation and chemotherapy after surgical resection
Glioblastoma
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Widespread lesion, dynamic course
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