LI-RADS v2017 categorisation of HCC using CT: Does moderate to severe fatty liver affect accuracy?
- Authors
- Kim, Seung Soo; Hwang, Jeong Ah; Shin, Hyeong Cheol; Choi, Seo-Youn; Kang, Tae Wook; Jou, Sung Shick; Lee, Woong Hee; Park, Suyeon; Heo, Nam Hun
- Issue Date
- Jan-2019
- Publisher
- Springer Verlag
- Keywords
- Carcinoma; hepatocellular; Fatty liver; Multidetector computed tomography; Liver neoplasms
- Citation
- European Radiology, v.29, no.1, pp 186 - 194
- Pages
- 9
- Journal Title
- European Radiology
- Volume
- 29
- Number
- 1
- Start Page
- 186
- End Page
- 194
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/4840
- DOI
- 10.1007/s00330-018-5657-y
- ISSN
- 0938-7994
1432-1084
- Abstract
- ObjectivesTo compare the sensitivity of Liver Imaging Reporting and Data System (LI-RADS) v2017 for diagnosis of hepatocellular carcinoma (HCC) using multiphasic computed tomography (CT) between patients with and without moderate to severe fatty liver (MSFL).MethodsThis retrospective study included a total of 106 high-risk patients with 112 pathologically proven HCCs who underwent multiphasic CT. Patients were classified as MSFL (24 men, 2 women; mean age, 59.5 years [range, 38-79 years]) and non-MSFL (64 men, 16 women; mean age, 62.9 years [range, 40-89 years]) groups according to unenhanced CT liver and spleen parenchymal attenuation. Two independent radiologists assigned LI-RADS categories and accessed HCC features on CT. Sensitivities for LR-5 assignment and frequencies of HCC features were compared between the two groups.ResultsSensitivities of LR-5 assignment for diagnosing HCCs were not significantly different between MSFL and non-MSFL groups (65.4% [17/26] vs. 76.7% [66/86] for reviewer 1, p = 0.247; 73.1% [19/26] vs. 76.74% [66/86] for reviewer 2, p = 0.702). No significant differences in the frequencies of arterial hyperenhancement, washout, and capsule were observed between the two groups (96.2% [25/26] vs. 98.8% [85/86], p = 0.412; 80.8% [21/26] vs. 89.5% [77/86], p = 0.308; and 53.8% [14/26] vs. 57% [49/86], p = 0.778, respectively).ConclusionsLI-RADS v2017 using CT showed comparable sensitivity for diagnosing HCC regardless of MSFL.Key Points center dot Using LI-RADS v2017 with CT, diagnosis of HCC in patients with MSFL showed similar sensitivity to that in patients without MSFL.center dot Frequencies of major HCC features (arterial hyperenhancement, washout, and capsule) on CT between the MSFL and non-MSFL groups were not significantly different.center dot LI-RADS using CT may be feasible for diagnosing HCC in patients with fatty liver.
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