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meningiomas.org

FALX MENINGIOMAS

http://www.meningiomas.org/falxmeningioma.htm

F:M ratio = 2:1. Surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. Falx meningiomas are often bilateral and are completely concealed by the overlying cerebral cortex. These meningiomas can also be classified into anterior, middle, and posterior thirds and the clinical presentation is the same as described for parasagittal meningiomas.

meningiomas.org

OPTIC SHEATH MENINGIOMAS

http://www.meningiomas.org/opticsheathmeningiomas.htm

F:M ratio = 9:1. Surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. Postoperatively every patient has ptosis and extraocular muscle paresis but this usually recovered within a few months. There was a complication of a CSF leak from an ethmoid air cell. This was repaired through a transethmoid approach.

meningiomas.org

SUPRATENTORIAL MENINGIOMAS

http://www.meningiomas.org/supratentorialmeningiomas.htm

Surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. Bleeding from the dura is controlled with bipolar coagulation. Surgicel or Gelfoam. The dura is held to the inner table of bone along the craniotomy opening with sutures placed from dura to pericranial tissue or into holes drilled in the bone. The overall operative mortality in supratentorial meningiomas is less than 1 percent. Malignant meningiomas are considered separately.

meningiomas.org

About Us

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meningiomas.org

INTRAVENTRICULAR MENINGIOMAS

http://www.meningiomas.org/intraventricularmeningiomas.htm

Surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. These tumors most commonly are located in the trigone of the lateral ventricle but may be found in the third or rarely the fourth ventricle. There is no diagnostic syndrome for the lateral ventricle meningioma. The symptoms are often vague, with headache, mental change, and visual complaints the most frequent. Total removal of the tumor can be achieved in all cases. 60% has good result, 20% ...

meningiomas.org

Neurosurgery. Meningiomas

http://www.meningiomas.org/index.htm

General preoperative and surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. Magnetom Skyra with full clinical applications in the run.

meningiomas.org

convexital meningiomas

http://www.meningiomas.org/covexitalmeningioma.htm

Surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. Gives all the information the surgeon needs. It is no longer needed to request angiography in most patients with convexity meningiomas because the blood supply is known and the procedure does not add any crucial information in planning the operation. Embolization is not needed in these patients. The feeding meningeal arteries can be occluded early in the course of the operation.

meningiomas.org

Main

http://www.meningiomas.org/main.htm

General preoperative and surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. Meningiomas. so named by Harvey Cushing in 1922. are common tumors that arise from cells of the meninges. A large amount of information on the biology and clinical features of meningiomas has accumulated in the almost nine decades since Cushing and Eisenhardt published their classification and morphologic descriptions of these tumors. However, in a minority of tumors a d...

meningiomas.org

SPHENOID WING MENINGIOMA

http://www.meningiomas.org/sphenoidwingmeningioma.htm

F:M ratio =7:1 for en-Plaque hyperostosing meningiomas. F:M ratio =3:4 for middle third meningiomas. F:M ratio =3:1 for clinoidal meningiomas. Surgical treatment in meningiomas. Histological aspects in meningiomas. Supratentorial meningiomas in general. The blood supply is from meningeal branches, but many of these tumors are relatively avascular. The tumor often involves the orbital capsule and the dura around the superior orbital fissure, orbital apex, and cavernous sinus. MRI outlines the extent of th...

meningiomas.org

SURGICAL APPROACHES TO TENTORIAL MENINGIOMAS

http://www.meningiomas.org/surgicalapproachtotentorialmenin.htm

Preoperative Investigations and Management. The surgical approach is planned according to magnetic resonance imaging (MRI), with contrast enhancement, performed in thin sections along the coronal and axial planes. For a purely tentorial tumor, a computed tomography (CT) scan is not essential. The major advantage of MRI is the exquisite anatomical depiction of the tumor relative to the brain stem and vasculature. Selection of Operative Approach and General Principles. Venous sinus involvement must be deal...