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- W2390602011 abstract "Objective To investigate and assess the clinic and imaging features, microsurgical techniques, and operative effect in cases of tuberculum sellae meningiomas. Methods A retrospective analysis of clinical and imaging manifestations was made on 41 cases of tuberculum sellae meningioma from 1985 to 2002. The tumors operated on with 4 different operative approaches were classified into large, middle and small type depending upon its size on CT or MRI, with the comparison of total resection rate, operative results and complications among the types. Results The clinical features of tuberculum sellae meningioma included early occurring visual dysfunction in one eye or both eyes and untypical visual field defects. There was a relationship between total resection rate and size and site of tumors, with a higher rate in middle and small types and anterior tumors. On MRI meningiomas revealed significant homogeneous enhancement with administration of gadolinium, a dural-based tail, a suprasellar epicenter and sella turcica unexpanded. The supraorbital keyhole approach, pterional approach and frontotemporal orbitozygomatic approach were superior to unilateral subfrontal approach, with a list of advantages including satisfactory exposure, little retraction of the frontal lobe, higher resection rate, less postoperative complications and better operative results. Conclusion The visual deficit in the majority of the middle and small type can occurs early, These tumors can be removed completely and safely in many cases. The more appropriate approaches are the supraorbital keyhole approach in small and middle types, the pterional approach in middle and large types and the frontotemporal orbitozygomatic approach in large type." @default.
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- W2390602011 date "2005-01-01" @default.
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- W2390602011 title "Microsurgical treatment of tuberculum sellae meningiomas" @default.
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