Porto-sinusoidal vascular disease with portal hypertension versus liver cirrhosis: differences in imaging features on CT and hepatobiliary contrast-enhanced MRI
- Authors
- Kang, Ji Hun; Kim, Do Hyung; Kim, So Yeon; Kang, Hyo Jeong; Lee, Jung Bok; Kim, Kyoung Won; Lee, Seung Soo; Choi, Jonggi; Lim, Young-Suk
- Issue Date
- May-2021
- Publisher
- Springer Science and Business Media LLC
- Keywords
- Gadoxetate disodium; Liver cirrhosis; Magnetic resonance imaging; Portal hypertension; Porto-sinusoidal vascular disease
- Citation
- Abdominal Radiology, v.46, no.5, pp.1891 - 1903
- Indexed
- SCIE
SCOPUS
- Journal Title
- Abdominal Radiology
- Volume
- 46
- Number
- 5
- Start Page
- 1891
- End Page
- 1903
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/189647
- DOI
- 10.1007/s00261-020-02831-w
- ISSN
- 2366-004X
- Abstract
- Purpose: To differentiate the computed tomography (CT) and magnetic resonance imaging (MRI) features of porto-sinusoidal vascular disease (PSVD) and liver cirrhosis (LC). Methods: In this retrospective case–control study of patients with PSVD matched in a 1:3 ratio with LC patients according to liver function, initial diagnosis and time to final diagnosis were analyzed. Imaging features on CT and the parenchymal enhancement on hepatobiliary phase of hepatobiliary agent-enhanced MRI (HBA-MRI) were compared using a generalized linear mixed model. Focal hepatic lesions in the PSVD group were analyzed. Results: In total, 43 PSVD patients and 129 LC patients were included. Among PSVD patients, 72.1% were initially misdiagnosed with LC. PSVD patients had a longer diagnostic delay than LC patients (32 months vs. 4 months; p < 0.001). Liver surface nodularity was less common in the PSVD group than in the LC group (16.3% vs. 89.2%, p < 0.001). Increased caudate-to-right lobe ratio, heterogeneous parenchymal enhancement, and portal vein abnormalities were more frequently noted in the PSVD group than in the LC group (all p < 0.001). The grade of portal hypertension was significantly higher in the PSVD group than in the LC group (p < 0.001), and they also had brighter parenchymal enhancement during the hepatobiliary phase of HBA-MRI (p < 0.001). In the PSVD group, 14% patients had at least one focal hepatic lesion, primarily a focal nodular hyperplasia (FNH)-like nodule. Conclusions: Some imaging features on CT and HBA-MRI can distinguish PSVD from LC. Benign focal lesions, most commonly FNH-like nodules, can develop in PSVD.
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