Abstract
Background
Porto-sinusoidal vascular disorder (PSVD) is one of the common causes of portal hypertension and has overlapping features with early cirrhosis. The differentiation of PSVD from cirrhosis requires a liver biopsy, which is invasive and has potential complications. This systematic review aimed at summarizing the current evidence on the performance of noninvasive modalities for differentiating PSVD from cirrhosis.
Methods
A comprehensive search of electronic databases of MEDLINE, Embase, and Scopus was conducted from 2000 to October 2022 for the studies comparing the elastographic and radiological features of PSVD and cirrhosis, using liver biopsy as the gold standard.
Results
A total of 12 studies were included in the systematic review. Transient elastography (TE) as a modality was studied in five studies, MR elastography (MRE) in two, contrast CT in two, Contrast CT and MRI in two, and ARFI in only one. Both TE and MRE showed a significantly lower liver stiffness measurement and a higher splenic stiffness measurement with a higher SSM/LSM ratio with PSVD, compared to cirrhosis. Among the radiological features, focal nodular hyperplasia-like lesions, portal vein abnormalities (intrahepatic and extrahepatic), and a larger spleen size favored a diagnosis of PSVD. In contrast, surface nodularity and atrophy of segment IV with a segment I hypertrophy favored a diagnosis of cirrhosis.
Conclusion
Elastography and cross-sectional imaging can help differentiate PSVD from early cirrhosis with good accuracy. Further studies are required to assess the diagnostic role of a combination of both modalities.
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SG,SA: Conceptualization, SG,AS,TT: Data curation, SG,AR,AS,TT: Formal analysis, Funding acquisition: N/A; SG,AS,SA: Investigation, SG,AR,SA: Methodology, SG,SA: Project administration, SG,AS,TT: Resources, SG: Software, SS, AR: Supervision, SG,AR,SA: Validation, SG: Visualization, SG,AS,SA: Roles/Writing—original draft, SG,AR,AS,RKP,TT,SA: Writing—review & editing:
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Giri, S., Singh, A., Roy, A. et al. Noninvasive differentiation of porto-sinusoidal vascular disorder from cirrhosis: a systematic review. Abdom Radiol 48, 2340–2348 (2023). https://doi.org/10.1007/s00261-023-03927-9
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DOI: https://doi.org/10.1007/s00261-023-03927-9