PELVIS TUMOUR RESECTION: 3D PRE-OPERATIVE PLANNING AND NAVIGATION VALIDATION USING A VIRTUAL SPECIMEN

2018 
IntroductionThree-dimensional preoperative planning and bone tumour resection by navigation have been used in the past ten years. According to literature this workflow increases the surgical “accuracy”. However, there are a few and not completely clear reports describing accuracy in preoperative planning and navigation. The objective of this preliminary study was to determine the accuracy of osteotomies planned and guided by navigation in pelvis tumour resection. We assume that the surgical specimen scanned and 3D reconstructed is an acceptable method to determine the accuracy qualitatively and quantitatively of a virtual planning and navigation surgical workflow.Materials and MethodsA total of four patients were evaluated between May 2010 and February 2011, age range: 6–38, 17.4 mean; 2 males and 2 females. There were 4 malignant tumours: Malignant Schwannoma (1), Ewing's tumor (1) and Chondrosarcoma (2).All anatomic regions compromised by the tumour were preoperatively CT scanned (Mutislice 64, Aquilion...
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