International Journal of Radiation Research

en Using conventional contrast-enhanced MRI semi-quantitative analysis to distinguish alpha-fetoprotein-negative small hepatocellular carcinoma without cirrhosis and small focal nodular hyperplasia Radiation Biology Radiation Biology تحقيق بديع Original Research <div style="text-align: justify;">Background: Here, we aimed to quantitatively analyze the gray scale value (GSV) of conventional triple-enhancement MRI and explore its value in differentiating non-cirrhosis, alpha-fetoprotein-negative small Hepatocellular carcinoma (SHCC) together with Focal nodular hyperplasia (SFNH). Materials and Methods: In this study, 83 cases of SHCC-related lesions were observed in 83 individuals, and an additional 35 cases of SFNH-associated lesions were examined in a group of 32 patients. These lesions were all verified through pathological assessment. The lesions’ MRI GSV of the plain scan (GSV-p) and the enhanced MRI scan (GSV-c), and normal liver parenchyma’s GSV around the lesion (GSV-n) were all quantified. Subsequently, we computed the GSV-c to GSV-n ratio (GSR), and the GSV-c to GSV-p ratio (GSRL). We employed the Wilcoxon rank sum analysis and ROC curve analysis with the aim of evaluating significance in these ratios. Results: Age and gender distribution in SHCC and SFNH exhibited relevant differences, whereas the size did not. During the phases arterial (GSRAP), portal (GSRPP), and delayed (GSRDP), the GSR and the GSRL for SHCC and SFNH demonstrated a gradual decrease, and all these changes were statistically significant. The AUC for GSRDP in SHCC and SFNH was 0.83, which surpassed the performance of other metrics. Conclusions: The GSV values obtained from a standard triple-enhancement MRI were found to be valuable in distinguishing between SHCC and SFNH, with the GSRDP showing the best performance. The precise utilization of these metrics facilitated the differentiation of SHCC and SFNH, ultimately reducing the need for unnecessary interventional procedures and associated trauma.</div> Gray scale value, MRI, semi-quantitative analysis, liver cancer, hepatocytes, focal nodular hyperplasia, quantitative analysis. 625 630 http://ijrr.com/browse.php?a_code=A-10-1-1218&slc_lang=en&sid=1 X. Zhu 7900319475328460027946 7900319475328460027946 No The Fourth Clinical College, Zhejiang Chinese Medical University, Hangzhou, 310000, P.R.China Q. Feng 7900319475328460027947 7900319475328460027947 No The Fourth Clinical College, Zhejiang Chinese Medical University, Hangzhou, 310000, P.R.China X. Ge 478556386@qq.com 7900319475328460027948 7900319475328460027948 Yes The Fourth Clinical College, Zhejiang Chinese Medical University, Hangzhou, 310000, P.R.China B. Hu 570396920@qq.com 7900319475328460027949 7900319475328460027949 No Department of Radiology, ChunAn County First People's Hospital, Zhejiang, China