1. Meningioma 신경외과 김선환 2001 년 7 월 26 일

8. Pathology: Macroscopic features

9. Pathology: Macroscopic features Hyperostosis of skull Bony erosion

11. Pathology: Russell classification Papillary Malignant Hemangioblastic Transitional Hemangiopericytic Angioblastic Psammomatous, Microcystic Myxomatous, Xanthomatous Lipomatous, Granular Secretory, Chondroblastic Osteoblastic, Melanotic Giant cell, Lymphoid, Choroids Meningothelial Transitional Fibrous Classic Variants Subtype Group

18. Image: CT Pre-enhance CT Post-enhance CT

20. Image: MRI T1-Pre enhance T1-Post enhance T2WI

22. Image: Cerebral Angiography

24. Location

26. Clinical Manifestation by Specific location Change in mentation, apathy or disinhibited behavior, urinary incontinence Subfrontal Visual Sx, 3 rd N palsy, Hypopituitarysm, Psychic sx, headache Tuberculum sellae Headache, seizure, focal weakness Convexity Ant 1/3: personality change Mid 1/3: contralateral leg Monoparesis Post 1/3: IICP Sx, visual field defect Parasagittal Symptoms Location

27. Clinical Manifestation by Specific location Symptoms Location Decreased hearing with possible facial weakness and facial numbness Cerebellopontine angle Contralateral hemianopsia Occipital lobe Multiple cranial N deficits (II, III, IV, V and VI), leading to decreased vision and diplopia with associated to facial numbness Cavernous sinus Anosmia with ipsilateral optic atrophy and contralateral papilledema; Kennedy-Foster syndrome. Olfactory groove

28. Clinical Manifestation by Specific location Symptoms Location Paraparesis; stereoanesthesia, gait disturbance Foramen magnum supratentorial and infratentorial; seizure, cerebellar sx, hydrocephalus, visual sx. Tentorium Medial 1/3(clinoidal): multiple cranial nerve palsies Middle 1/3(alar): headache, seizure Lateral 1/3(pterional): seizure, palpable mass Sphenoid wing Exophthalmos, Monocular loss of vision; ipsilateral dilated pupil orbital