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European Radiology Experimental
Fig. 2 | European Radiology Experimental

Fig. 2

From: Image quality and metal artifact reduction in total hip arthroplasty CT: deep learning-based algorithm versus virtual monoenergetic imaging and orthopedic metal artifact reduction

Fig. 2

Conventional (a), 130-keV monoE (b), conventional with O-MAR (c), 130-keV monoE with O-MAR (d), and DL-MAR (e) images of a patient with unilateral total hip arthroplasty at level of the acetabulum. Artifacts on the conventional CT image and 130-keV monoE conceal a bladder cyst to the right of the prosthesis cup that is visible on the conventional image O-MAR, 130-keV monoE with O-MAR, and DL-MAR (solid yellow arrow). Although not observed in all patients, some artifacts remain between the prosthesis cup and prosthesis head on DL-MAR (open yellow arrow). Window: width 400, level 40 HU. CT Computed tomography, O-MAR Orthopedic metal artifact reduction, DL-MAR Deep learning-based metal artifact reduction

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