beam hardening artifact
... basilar artery,BA 基底动脉 Beam hardening artifact 射线硬化伪影 biopsy gun 活检枪 ...
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双能CT也已被证明能够改进图像质量和减少伪影如射线硬化等在CT灌注成像方面的传统局限性（101）。
Dual-energy CT has also been shown to allow for improvements in image quality and reduction in artifacts such as beam hardening that have traditionally limited CT perfusion imaging(101).
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