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Recurrent 4Th Ventricle Ependymoma - Suboccipital...

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Ependymoma arises from ependymal cells lining the cerebral ventricles and the central canal of the spinal cord. It usually occurs in the floor of the 4th ventricle (25% of tumors in the 4th ventricle...

PCF Subdural Hematoma - Suboccipital Approach

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Subdural hematoma in the posterior cranial fossa represents 0.5 to 2.5% of all subdural hematomas. Because of the limited space in the posterior fossa, a lesion causing a mass effect on the computed tomographic...

Tentorial Chordoid Meningioma - Modified Left...

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intracranial tumors in males and 38% in females. The prevalence of Meningiomas is estimated to be 97.,5 in 100,.000 with over 138,.000 individuals diagnosed with this tumor. Chordoid meningioma (CM) is...

Lumbar Interspinous Arthrodesis - Posterior Approach

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Dynamic stabilization has been defined as "a system that would alter favorably the movement and load trasmission of a spinal motion segment, without the intention of fusion of the segment".

Thoracic Meningioma - Posterior Approach

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Meningiomas (Ms) are generally slow-growing benign tumors attached to the dura mater and composed of neoplastic meningothelial (arachnoidal) cells. They typically manifest in adults and are more predominant...

MCF Meningioma - Left Subtemporal-Pterional Approach

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Meningiomas (Ms) are generally slow-growing benign tumors attached to the dura mater and composed of neoplastic meningothelial (arachnoidal) cells. They typically manifest in adults and are more predominant...

Cervical Microdiscectomy - Anterior Approach

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Anterior cervical discectomy is a surgical procedure performed to treat a degenerative disease causing radiculopathy and/or myelopathy. The compression of the cord and nerves commonly occurs ventral to...

Cervical Double Microdiscectomy And Arthrodesis...

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Anterior cervical discectomy is a surgical procedure performed to treat a degenerative disease causing radiculopathy and/or myelopathy. The compression of the cord and nerves commonly occurs ventral to...

Acoustic Neuroma - Retrosigmoid Approach

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Acoustic neuroma (AN), also known as vestibular schwannoma, arises from the neurilemman sheath of the superior vestibular nerve at the junction of the central and peripheral myelin. This point is called...

MCA Aneurysm - Right Pterional Approach

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Cerebral aneurysm is a dilatation of the cerebral blood vessels of various etiology probably due to the different structure of cerebral vessels (less elasticity, less muscle, thinner adventitia) and the...

3Rd Ventriculostomy - Using Fogarty Balloon

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Since 1995, in several hospitals, any patients more than 6 months of age with triventricular hydrocephalus were considered for ETV. The third ventricle have to be greater than 4 mm of width. Cotraindication...

Olfactory Grooves Meningioma - Bifrontal Approach

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Meningiomas (Ms) are generally slow-growing benign tumors attached to the dura mater and composed of neoplastic meningothelial (arachnoidal) cells. They typically manifest in adults and are more predominant...

Clival Chordoma - Left Retrosigmoid Approach

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Chordoma is a rare tumor arising from the remnant of primitive notochord. Peak incidence is in the 5th -- 6th decades with a Male:Female ratio of 2:1. Usually it arises in the clivus (35%) and in the...

Carotid Bifurcation Aneurysm - Left Pterional...

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The cerebral aneurysm are dilatation of the cerebral blood vessels of several etiology probably due to the different structure of cerebral vessels (less elasticity, less muscle, thinner adventitia) and...

Syringomyelia - Thoracic Subarachnoid Shunting

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Syringomyelia is a cystic cavitation of the spinal cord associated with Chiari I malformation (70%) or basilar invagination (10%) or tumor. It may be a post-traumatic condition. There are 2 main forms:...

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