Dynamic chest X-ray using a flat-panel detector system: Technique and applications

Akinori Hata, Yoshitake Yamada, Rie Tanaka, Mizuki Nishino, Tomoyuki Hida, Takuya Hino, Masako Ueyama, Masahiro Yanagawa, Takeshi Kamitani, Atsuko Kurosaki, Shigeru Sanada, Masahiro Jinzaki, Kousei Ishigami, Noriyuki Tomiyama, Hiroshi Honda, Shoji Kudoh, Hiroto Hatabu

Research output: Contribution to journalArticlepeer-review

Abstract

Dynamic X-ray (DXR) is a functional imaging technique that uses sequential images obtained by a flat-panel detector (FPD). This article aims to describe the mechanism of DXR and the analysis methods used as well as review the clinical evidence for its use. DXR analyzes dynamic changes on the basis of X-ray translucency and can be used for analysis of diaphragmatic kinetics, ventilation, and lung perfusion. It offers many advantages such as a high temporal resolution and flexibility in body positioning. Many clinical studies have reported the feasibility of DXR and its characteristic findings in pulmonary diseases. DXR may serve as an alternative to pulmonary function tests in patients requiring contact inhibition, including patients with suspected or confirmed coronavirus disease 2019 or other infectious diseases. Thus, DXR has a great potential to play an important role in the clinical setting. Further investigations are needed to utilize DXR more effectively and to establish it as a valuable diagnostic tool.

Original languageEnglish
Pages (from-to)634-651
Number of pages18
JournalKorean Journal of Radiology
Volume22
Issue number4
DOIs
Publication statusPublished - Apr 2021

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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