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Comparison of Iterative Metal Artifact Reduction Presets In Ultra-high-resolution Photon-counting CT Angiography of Patients with Total Knee Endoprosthesis

delete2026-07-01
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OA
AI
H
Henner Huflage
A
Andreas Steven Kunz
T
Tobias Wech
T
Theresa Sophie Patzer
V
Viktor Hartung
P
Pauline Pannenbecker
P
Philipp Gruschwitz
C
Caroline Bestler
P
Philipp Feldle
T
Thorsten Alexander Bley
J
Jan‐Peter Grunz *
DOI：10.1016/j.acra.2026.06.012delete
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Abstract

Abstract

En 中文
Ultra-high-resolution (UHR) photon-counting CT angiography (PCCTA) has become the reference standard for non-invasive assessment of peripheral artery disease. In the presence of total knee endoprosthesis, however, metal artifacts hamper visualization of the popliteal vasculature. This study investigated the effect of the different iterative metal artifact reduction (IMAR) settings in patients with knee joint replacement.
Keywords:
CTA
computed tomography angiography
IMAR
iterative metal artifact reduction
PCCT
photon-counting computed tomography
ROI
region of interest
Tomography
X-ray computed
CT angiography
Metal artifact reduction
Knee endoprosthesis
Popliteal artery
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Journal

Academic Radiology cover
Academic Radiology
IF:
3.9
Papers:
8.6K
Citations:
1.0W

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