Objective To assess the value of CT three-dimensional reconstruction of pulmonary nodule in guiding the thora-coscopic-pulmonary segmental resection.Methods From January 2021-March 2022,45 patients scheduled for thoracoscopic pulmonary segmental resection were performed enhanced CT scan before operation.The three-dimensional reconstruction and fu-sion process of pulmonary nodules,vessels,bronchus were carried out.Spatial relationship between pulmonary nodules and sur-were rounding anatomical tissues were observed from multiple angles.The quality of images was scored.Results All the 45 pa-tients'images can meet surgical requirements.41 cases were scored 3(91％),3 cases scored 2(7％)and 1 case scored 1(2％).Breath control and appropriate sanning time were the main factors of image quality.45 cases were performed thoracoscopic pulmo-nary segmental resection successfully with guidance of the three-dimensional reconstruction.There was no severe complications af-ter surgery.Conclusion CT three-dimensional reconstruction of pulmonary nodule can demonstrate the spatial relationship be-tween pulmonary nodules and surrounding anatomical tissues.It can be widely used in guiding the the thoracoscopic pulmonary segmental resection.
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