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EJNMMI Physics
Figure 3 | EJNMMI Physics

Figure 3

From: Metal artifact reduction in patients with dental implants using multispectral three-dimensional data acquisition for hybrid PET/MRI

Figure 3

Different appearances of artifacts. In the LAVA-Flex images (a), artifacts often showed multiple hyperintense rings in the signal void. On T1-FSE images (b) in 12 patients, implants still caused strong hyperintense rings. For MAVRIC (c) and MAVRIC-fast (d), hyperintense signals were recorded only in this single case where the dental alloy caused strong artifacts in all sequences.

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