Citation: | WU P F, WANG C B. Application of Spectral Computed Tomography Single-energy Technique to Small Bowel Crohn’s Disease[J]. CT Theory and Applications, 2025, 34(1): 58-64. DOI: 10.15953/j.ctta.2024.158. (in Chinese). |
Objective: To investigate the application of a double-layer detector spectral computed tomography (CT) single-energy technology for intestinal wall enhancement in Crohn’s disease enterography. Methods: Data from 43 patients with Crohn’s disease who underwent enterography using spectral CT between January 2023 and July 2024 were retrospectively collected. The 40~140 keV single level and conventional mixed energy images were reconstructed, and the CT value, noise, signal to noise ratio (SNR), and contrast to noise ratio (CNR) of the 40~140 keV single level and conventional mixed energy images were objectively evaluated using one-way ANOVA. The image quality was evaluated subjectively using the five point method, and the results were analyzed using the rank sum test. Differences in imaging features of Crohn’s disease activity were determined using the paired
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