发掘光子计数探测器 CT 在儿科成像中的潜力:一篇图文并茂的文章。

BJR open Pub Date : 2024-07-09 eCollection Date: 2024-01-01 DOI:10.1093/bjro/tzae015
Ieva Aliukonyte, Daan Caudri, Ronald Booij, Marcel van Straten, Marcel L Dijkshoorn, Ricardo P J Budde, Edwin H G Oei, Luca Saba, Harm A W M Tiddens, Pierluigi Ciet
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引用次数: 0

摘要

CT 技术的最新进展为临床实践带来了一项革命性的创新,即光子计数探测器(PCD)CT 成像。PCD-CT 扫描仪的关键硬件改进在于其探测器,它的像素比标准探测器更小,可将单个 X 射线直接转换为电信号。因此,CT 图像的重建空间分辨率更高(低至 0.2 毫米),整体噪音更小,而辐射剂量却不会增加。这些特点对于儿科成像至关重要,尤其是对于婴幼儿,因为他们的解剖结构明显小于成人,尽可能降低剂量对他们尤为重要。自 2022 年 1 月起,我院有机会使用 PCD-CT 技术进行儿科成像。本图解综述将展示 PCD-CT 儿童成像的临床案例。本图解评论旨在概述 PCD-CT 在不同解剖区域的潜在儿科应用,并讨论 PCD-CT 与传统标准能量积分探测器 CT 相比的优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Unlocking the potential of photon counting detector CT for paediatric imaging: a pictorial essay.

Recent advancements in CT technology have introduced a revolutionary innovation to practice known as the Photon-Counting detector (PCD) CT imaging. The pivotal hardware enhancement of the PCD-CT scanner lies in its detectors, which consist of smaller pixels than standard detectors and allow direct conversion of individual X-rays to electrical signals. As a result, CT images are reconstructed at higher spatial resolution (as low as 0.2 mm) and reduced overall noise, at no expense of an increased radiation dose. These features are crucial for paediatric imaging, especially for infants and young children, where anatomical structures are notably smaller than in adults and in whom keeping dose as low as possible is especially relevant. Since January 2022, our hospital has had the opportunity to work with PCD-CT technology for paediatric imaging. This pictorial review will showcase clinical examples of PCD-CT imaging in children. The aim of this pictorial review is to outline the potential paediatric applications of PCD-CT across different anatomical regions, as well as to discuss the benefits in utilizing PCD-CT in comparison to conventional standard energy integrating detector CT.

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