Hepatobiliary phase enhancement of liver metastases on gadoxetic acid MRI: assessment of frequency and patterns

ConclusionLiver metastases from several primary malignancies, including PDAC, demonstrate mild HBP enhancement in variable patterns. Correlation with OATP1B3 expression and prognosis is required.Key Points• Hepatobiliary phase (HBP) enhancement was identified in 77% of hepatic metastases in several different primary malignancies.• Discrete patterns of HBP enhancement exist (peripheral, central, diffuse heterogeneous) and varied between CRC, PDAC, and NET. CRC and PDAC metastases demonstrated mostly non-central patterns (diffuse and peripheral), and NET mostly a central pattern.• Relationship between HBP enhancement, enhancement pattern, OATP1B3 expression, and prognosis requires further dedicated exploration for each malignancy.
Source: European Radiology - Category: Radiology Source Type: research