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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: Application of deep learning reconstruction of ultra-low-dose abdominal CT in the diagnosis of renal calculi

Fig. 4

CT images from a 57-year-old male patient with a clinically suspected renal calculus. A left renal calyceal calculus 1.6 mm in the diameter could be seen on the ULD-HIR (b) image but not on the LD-HIR (a) or ULD-DLR (c) images. With LD-HIR imaging used as the gold standard, the stone was a false positive. LD-HIR means low-dose computed tomography with hybrid iterative reconstruction. ULD-HIR means ultra-low-dose computed tomography with hybrid iterative reconstruction. ULD-DLR means ultra-low-dose computed tomography with deep learning reconstruction

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