Photon-counting computed tomography enables low-dose, high-quality abdominal imaging: A comparative study with energy-integrating detector computed tomography

doi:10.4329/wjr.v18.i5.119048

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World Journal of Radiology

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1949-8470

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World J Radiol. May 28, 2026; 18(5): 119048
Published online May 28, 2026. doi: 10.4329/wjr.v18.i5.119048

Table 2 Comparison of radiation dose between abdominal photon-counting computed tomography and energy-integrating detector computed tomography, median (interquartile range)

Variable	PCCT	EID-CT	P value
CTDI_vol (mGy)	3.78 (3.20-4.17)	7.15 (5.85-8.57)	< 0.001
DLP (mGy × cm)	103.15 (89.23-122.51)	201.60 (161.15-227.68)	< 0.001
ED (mSv)	1.55 (1.34-1.84)	3.02 (2.42-3.42)	< 0.001

EID-CT: Energy-integrating detector computed tomography; PCCT: Photon-counting computed tomography; CTDI_vol: Computed tomography dose index; DLP: Dose-length product; ED: Effective dose.

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Citation: Zhu TT, Zhu XY, Yang M, Liu WM, Yang WJ, Liu X. Photon-counting computed tomography enables low-dose, high-quality abdominal imaging: A comparative study with energy-integrating detector computed tomography. World J Radiol 2026; 18(5): 119048
URL: https://www.wjgnet.com/1949-8470/full/v18/i5/119048.htm
DOI: https://dx.doi.org/10.4329/wjr.v18.i5.119048

Zhu TT, Zhu XY, Yang M, Liu WM, Yang WJ, Liu X. Photon-counting computed tomography enables low-dose, high-quality abdominal imaging: A comparative study with energy-integrating detector computed tomography. World J Radiol 2026; 18(5): 119048 [PMID: 42238226 DOI: 10.4329/wjr.v18.i5.119048]

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