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BRAIN TUMORS
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BRAIN ANATOMY
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CLASSIFICATION
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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4- PITIUTARY & 3rd VENTRICLE TUMORS :
a- CHROMOPHOBE ADENOMA b- CHROMOPHIL ADENOMA c- CRANIOPHARYNGIOMA d- PINEAL BODY TUMOR e- COLLOID CYST OF THE 3RD VENTRICLE 5- EIGTH NERVE TUMOR (ACCOUSTIC NEUROMA OR SCHWANNOMA)
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EPIDEMIOLOGY ACCORDING TO AGE
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SITES OF BRAIN TUMORS
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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COMMON SITES OF CANCER METASTASIS
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METASTATIC BRAIN TUMORS SAGGITAL MRI
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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LOW GRADE GLIOMA (INTRAOPERATIVE)
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LOW GRADE GLIOMA MRI’S
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LOW GRADE GLIOMA AXIAL MRI
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ANAPLASTIC ASTROCYTOMA AXIAL MRI’S
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GLIOBLASTOMA MULTIFORMI
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GM AXIAL MRI
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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EPENDYMOMA CORONAL MRI
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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OLIGODENDROGLIOMA AXIAL MRI
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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MEDULLOBLASTOMA
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MEDULLOBLASTOMA AXIAL MRI
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CEREBELLUM AFTER SURGERY FOR MB
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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MENINGIOMA
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COMMON SITES OF MENINGIOMAS
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OLFACTORY GROOVE MENINGIOMA MRI’S
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I- SECONDARY (METASTATIC) II- PRIMARY :
1- GLIOMAS : a- ASTROCYTOMA (GRADE I-IV) b- MEDULLOBLASTOMA c- OLIGODENDROGLIOMA d- EPENDYMOMA 2- MENINGIOMAS 3- BLOOD VESSEL TUMORS : a- ANGIOBLASTOMA b- ANGIOMA
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VENOUS ANGIOMAS
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CEREBELLAR CAVERNOUS ANGIOMA AXIAL MRI
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4- PITIUTARY & 3rd VENTRICLE TUMORS :
a- CHROMOPHOBE ADENOMA b- CHROMOPHIL ADENOMA c- CRANIOPHARYNGIOMA d- PINEAL BODY TUMOR e- COLLOID CYST OF THE 3RD VENTRICLE 5- EIGTH NERVE TUMOR (ACCOUSTIC NEUROMA OR SCHWANNOMA)
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PITIUTARY & PINEAL GLANDS
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4- PITIUTARY & 3rd VENTRICLE TUMORS :
a- CHROMOPHOBE ADENOMA b- CHROMOPHIL ADENOMA c- CRANIOPHARYNGIOMA d- PINEAL BODY TUMOR e- COLLOID CYST OF THE 3RD VENTRICLE 5- EIGTH NERVE TUMOR (ACCOUSTIC NEUROMA OR SCHWANNOMA)
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PITIUTARY GLAND EFFECTS
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PITIUTARY ADENOMA PRESENTATION
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PITIUTARY ADENOMA
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PITIUTARY TUMOR (AUTOPSY)
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SKULL X-RAY FOR A PATIENT WITH PITIUTARY TUMOR (ERROSION OF SELLA TURSICA)
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PITIUTARY TUMOR AXIAL & CORONAL MRI’S
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PITIUTARY ADENOMA SAGGITAL MRI
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4- PITIUTARY & 3rd VENTRICLE TUMORS :
a- CHROMOPHOBE ADENOMA b- CHROMOPHIL ADENOMA c- CRANIOPHARYNGIOMA d- PINEAL BODY TUMOR e- COLLOID CYST OF THE 3RD VENTRICLE 5- EIGTH NERVE TUMOR (ACCOUSTIC NEUROMA OR SCHWANNOMA)
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CRANIOPHARYNGIOMA
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CRANIOPHARYNGIOMA (INTRA-OPERATIVE)
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CRANIOPHARYNGIOMA CORONAL MRI
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CRANIOPHARYNGIOMA CT-SCAN
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4- PITIUTARY & 3rd VENTRICLE TUMORS :
a- CHROMOPHOBE ADENOMA b- CHROMOPHIL ADENOMA c- CRANIOPHARYNGIOMA d- PINEAL BODY TUMOR e- COLLOID CYST OF THE 3RD VENTRICLE 5- EIGTH NERVE TUMOR (ACCOUSTIC NEUROMA OR SCHWANNOMA)
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PINEAL GLAND
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PINEAL BODY TUMOR
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PINEAL TUMOR SAGGITAL MRI
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4- PITIUTARY & 3rd VENTRICLE TUMORS :
a- CHROMOPHOBE ADENOMA b- CHROMOPHIL ADENOMA c- CRANIOPHARYNGIOMA d- PINEAL BODY TUMOR e- COLLOID CYST OF THE 3RD VENTRICLE 5- EIGTH NERVE TUMOR (ACCOUSTIC NEUROMA OR SCHWANNOMA)
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VENTRICULAR SYSTEM OF THE HUMAN BRAIN
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COLLOID CYST OF 3rd VENTRICLE
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C. CYST OF 3rd VENTRICLE T2 MRI
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4- PITIUTARY & 3rd VENTRICLE TUMORS :
a- CHROMOPHOBE ADENOMA b- CHROMOPHIL ADENOMA c- CRANIOPHARYNGIOMA d- PINEAL BODY TUMOR e- COLLOID CYST OF THE 3RD VENTRICLE 5- EIGTH NERVE TUMOR (ACCOUSTIC NEUROMA OR SCHWANNOMA)
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SCHWANNOMA PATHOLOGY
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VESTIBULAR SCHWANNOMA AXIAL MRI
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MANAGEMENT
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HOW TO DEAL WITH A BT PATIENT !!
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SURGERY FOR BRAIN TUMORS
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SURGICAL BRAIN SURFACE ANATOMY
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BRAIN SURGERY
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BIFRONTAL CRANIOTOMY
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CRANIOTOMY FOR A BRAIN TUMOR
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SITTING POSITION FOR POSTERIOR FOSSA SURGERIES
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POSTERIOR FOSSA CRANIECTOMY
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TRANSSPENOIDAL APPROACH FOR A PITIUTARY TUMOR
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RADIOTHERAPY MACHINE
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GAMMA KNIFE RADIOSURGERY
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BENIGN INTRACRANIAL HYPERTENSION (BIH) -PSEUDOTUMOR CEREBRI-
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AT HIGH RISK ?!
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DEFINITION It is a syndrome that is defined by five criteria:
1-Increased intracranial pressure 2-Normal or small sized ventricles by neuroimaging 3-No evidence of an intracranial mass 4-Normal CSF composition 5-Papilledema
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CLINICAL PRESENTATION OF BIH
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DIAGNOSIS
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CT-SCAN OF BIH (NORMAL CT)
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TREATMENT 1- STEROIDS 2- ANALGESIA 3- DIURETICS 4- LUMBAR PUNCTURES
5 - LUMBO-PERITONEAL SHUNT
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LUMBER PUNCTURE POSITION
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LUMBER PUNCTURE TECHNIQUE
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SITE OF LP
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LP & CSF COLLECTION
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LUMBO-PERITONEAL SHUNT
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AND FINALLY ….
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THERE SHOULD BE ALWAYS HOPE
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THANK YOU
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