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. 2023 Mar 18;48(6):2167–2195. doi: 10.1007/s00261-023-03877-2

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Fig. 6 — A 20-year-old male patient with no significant medical history presented with acute abdominal distention and elevated liver enzymes. a Axial plane postcontrast abdominal CT showed widespread thrombi in the hepatic veins, which was found to be consistent with Budd–Chiari syndrome (not shown). «Straight border sign» (arrows) is seen as a sharp demarcation line between the enhancing central and hypoenhancing peripheral liver parenchyma (asterisk). b Same sharp demarcation (arrows) could also be clearly observed in the post-contrast T1W axial plane image. c Peripheral hypoperfused parenchyma had high signal intensity on T2-weighted images (asterisk) and was considered to represent a hepatic pseudoinfarct. The patient was treated conservatively with anticoagulation and repeated paracentesis. d and e Follow-up abdominal MRI obtained 6 months after the initial episode revealed atrophy of the previously involved peripheral hypoenhancing parenchyma (asterisks) and enlarged central zone with preserved demarcation line (arrows)