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Clinical application of a self-made device for craniocerebral tumor location

Yang Lin, Wu Liming, Zhang Ping et al(The 1st Affiliated Hospital of Anhui Medical University, Hefei 230022)  
Objective The aim of the study is to find a more accura te technique for the location of craniocerebral tumors. Methods On the basis of the three dimensional coordinate principle, we designed and made by ourselves a devi ce for craniocerebral tumor location with stainless steel as materials. Results After a series of improvements, the device was used to locate tum ors in 10 patients with brain glioma ( grade Ⅱ~Ⅲ). According to the reexamination by cerebral CT imaging, the average deviation between the target centers determined with the locator and the tumor centers was 1 75 mm. Conclusion The loca tor proves to be accurate and reliable. The device brings a real convenience for the location o f craniocerebral tumors to the middle and small hospitals which have only some simple radiotherapy equip ment.
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