A case of solitary necrotic nodule of the liver with acute liver dysfunction: The imaging appearance correlated with pathological findings

A 22-year-old woman was admitted to this institution because of severe liver dysfunction that looked like acute hepatitis. Abdominal ultrasonography revealed a liver mass 20 mm in diameter that resembled the bull's-eye sign. Enhanced CT revealed a low-density mass. The mass was hypointense in T1-weighted MRI images and slightly hyperintense in T2-weighted MRI images. Needle biopsy of the liver under ultrasound guidance led to a diagnosis of solitary necrotic nodule of the liver. The tumor consisted of coagulation necrosis surrounded by fibrotic tissue. These pathologic features were consistent with the Imaging findings.