Figure 3 | Scientific Reports

Figure 3

From: Manual kidney stone size measurements in computed tomography are most accurate using multiplanar image reformatations and bone window settings

Figure 3

Computed tomography images reconstructed with a model-based iterative reconstruction algorithm of one kidney stone with a manually measured longest diameter of 8.61 mm, illustrating the influence of different image reformatation, slice thickness and window setting on size measurements (A–F). Irrespective of slice thickness, size measurements using axial reformatations underestimated true stone size (A,B,E,F), while measurements were higher using a soft-tissue window (A–C) vs. a bone window setting (D–F). Most accurate measurements were obtained using multiplanar reformatation with a bone window (F).

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