口腔颌面锥形束CT金属伪影的研究进展

doi:10.13591/j.cnki.kqyx.2022.02.014

摘要/Abstract

摘要： 口腔颌面锥形束CT(cone beam computed tomography, CBCT)是口腔颌面部常见的影像检查技术之一,然而由于口腔中各种高密度金属材料的存在,会产生金属伪影降低图像质量并干扰疾病诊断,限制了CBCT在临床中的进一步应用,学者们为了降低金属伪影对CBCT图像质量的干扰,提出了一系列方法。本文围绕CBCT金属伪影的产生及其影响,以及近年来提出的减少方法进行综述,旨在为口腔放射医师在扫描检查前选择最适的金属伪影减少方法提供参考依据。

关键词: 锥形束CT, 金属伪影, 金属伪影减少, 深度学习, 双能

Abstract: Oral and maxillofacial cone beam computed tomography (CBCT) is one of the common imaging techniques used in oral and maxillofacial region. However, due to the existence of various high-density metal materials in the mouth, the metal artifacts produced by CBCT will reduce image quality and interfere with diagnosis of diseases, which limits its further application in clinical practice. In order to reduce the interference of metal artifacts on CBCT image quality, scholars have proposed a series of methods. This paper reviews the generation and influence of metal artifacts in CBCT, and the reduction methods proposed in recent years, in order to provide reference for oral radiologists to choose the most appropriate method for metal artifact reduction before scanning.

Key words: cone beam computed tomography, metal artifact, metal artifact reduction, deep learning, dual energy

中图分类号:

R455.3

刘煜, 赵彬. 口腔颌面锥形束CT金属伪影的研究进展[J]. 口腔医学, 2022, 42(2): 165-169.

LIU Yu, ZHAO Bin. Research progress on metal artifacts in oral and maxillofacial cone beam CT[J]. Stomatology, 2022, 42(2): 165-169.

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