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¡¡¡¡Surgical approaches and techniques of tuberculum sellae meningiomas
¡¡¡¡Shen Jiankang, Zhao Weiguo, Bian Liuguan, et al.
¡¡¡¡Department of Neurosurgery, Ruijin Hospital, School of medicine, Shanghai Jiaotong University, Shanghai(200025)
¡¡¡¡Abstract Objective: To inquire surgical approaches and techniques of tuberculum sellae meningiomas in order to improve the operative effect. Methods: A retrospective analysis was made on 47 cases of tuberculum sellae meningioma operated from Jan. 1985 to Dec. 2004. The tumors operated on with 4 different surgical approaches were classified into large, middle and small types depending upon its size on CT or MRI, with the comparison of total resection rate, operative results and complications among the types. Results: Of 47 cases, tumor was total removed in 44cases(93.6%), subtotal in 3cases. Total resection rate is no relationship with size of tumors and operative approaches(P>0.05). Postoperatively, patients recovered well in 43 cases(91.5%), mild disable in 2 cases, severe disable in 1 case, and dead in 1 case, with mortality of 2.1%. Operative results are no relationship with size of tumors and operative approaches (P>0.05). Conclusion: Tuberculum sellae meningiomas can be removed completely and safely with higher total resection rate, less postoperative complications and better operative results in majority of cases. The more appropriate approaches are the supraorbital keyhole approach in small and middle types, the unilateral subfrontal or pterional approach in middle and large types and the frontotemporal orbitozygomatic approach in large type. Whichever operative approach was used, the techniques of removing meningioma were same, and were the key to total remove it.
¡¡¡¡Key word: tuberculum sellae, meningioma, operative approach, operative technique
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