Photon-counting CT: technical features and clinical impact on abdominal imaging.

Autor: Onishi H; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan. h-onishi@radiol.med.osaka-u.ac.jp.; Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Suita, Japan. h-onishi@radiol.med.osaka-u.ac.jp., Tsuboyama T; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Nakamoto A; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Ota T; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Fukui H; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Tatsumi M; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Honda T; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Kiso K; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Matsumoto S; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Kaketaka K; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan., Enchi Y; Division of Radiology, Department of Medical Technology, Osaka University Hospital, Suita, Japan., Kawabata S; Division of Radiology, Department of Medical Technology, Osaka University Hospital, Suita, Japan., Nakasone S; Division of Radiology, Department of Medical Technology, Osaka University Hospital, Suita, Japan., Tomiyama N; Department of Radiology, Osaka University Graduate School of Medicine, Suita, Japan.
Jazyk: angličtina
Zdroj: Abdominal radiology (New York) [Abdom Radiol (NY)] 2024 Dec; Vol. 49 (12), pp. 4383-4399. Date of Electronic Publication: 2024 Jun 18.
DOI: 10.1007/s00261-024-04414-5
Abstrakt: Photon-counting CT has a completely different detector mechanism than conventional energy-integrating CT. In the photon-counting detector, X-rays are directly converted into electrons and received as electrical signals. Photon-counting CT provides virtual monochromatic images with a high contrast-to-noise ratio for abdominal CT imaging and may improve the ability to visualize small or low-contrast lesions. In addition, photon-counting CT may offer the possibility of reducing radiation dose. This review provides an overview of the actual clinical operation of photon-counting CT and its diagnostic utility in abdominal imaging. We also describe the clinical implications of photon-counting CT including imaging of hepatocellular carcinoma, liver metastases, hepatic steatosis, pancreatic cancer, intraductal mucinous neoplasm of the pancreas, and thrombus.
(© 2024. The Author(s).)
Databáze: MEDLINE
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