Comput. Aided Surg. - Three-dimensional reconstruction of extremity tumor regions by CT and MRI image data fusion for subject-specific preoperative assessment and planning.

Tópicos

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Resumo

This study was conducted to demonstrate the feasibility of three-dimensional (3D) reconstruction of extremity tumor regions for patient-specific preoperative assessment and planning by using CT and MRI image data fusion. The CT and MRI image data of five patients with solid tumors were fused to construct 3D models of the respective tumor regions. The reconstruction time and image fusion accuracy were measured, and the tumor features and spatial relationships were analyzed to enable subject-specific preoperative assessment and planning as guidance for tumor resection. The 3D models of the tumor regions, including skin, fat, bones, tumor, muscles, internal organs, nerves and vessels, were created with a mean reconstruction time of 103 minutes and fusion accuracy of 2.02mm. The 3D reconstruction clearly delineated the tumor features, and provided a vivid view of spatial relationships within the tumor region. Based on this intuitional information, the subject-specific preoperative assessment and planning were easily accomplished, and all tumor resections were performed as planned preoperatively. Three-dimensional reconstruction using CT/MRI image fusion is feasible for accurate reproduction of the complex anatomy of the tumor region with high efficiency, and can help surgeons improve the preoperative assessment and planning for effective removal of tumors.

Resumo Limpo

studi conduct demonstr feasibl threedimension d reconstruct extrem tumor region patientspecif preoper assess plan use ct mri imag data fusion ct mri imag data five patient solid tumor fuse construct d model respect tumor region reconstruct time imag fusion accuraci measur tumor featur spatial relationship analyz enabl subjectspecif preoper assess plan guidanc tumor resect d model tumor region includ skin fat bone tumor muscl intern organ nerv vessel creat mean reconstruct time minut fusion accuraci mm d reconstruct clear delin tumor featur provid vivid view spatial relationship within tumor region base intuit inform subjectspecif preoper assess plan easili accomplish tumor resect perform plan preoper threedimension reconstruct use ctmri imag fusion feasibl accur reproduct complex anatomi tumor region high effici can help surgeon improv preoper assess plan effect remov tumor

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