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Fig. 3 | Insights into Imaging

Fig. 3

From: Feasibility study of three-dimensional printing knee model using the ultra-low-dose CT scan for preoperative planning and simulated surgery

Fig. 3

Representative case 3. A 47-year-old woman with undisplaced patella fracture underwent two scans (at the first visit and 10 days later). The standard-dose (a) and ultra-low-dose (b) protocols were used to generate 3-D printing models from 3D CT data. a-1 and b-1 CT axial images with quality score of 3 points in a and 2 points in b. The fracture lines (yellow arrows) are identifiable in both scans, meeting the needs for clinical diagnosis and treatment. a-2 and b-2 Maximum intensity projection images. a-3–4 and b-3–4 3D reconstruction of Mimics research medicine images. a-5–6 and b-5–6 3DP images with score of 3 points in a and 2 points in b. The surface of the bone models is regular and flat, which is suitable for preoperative evaluation

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