![Hepatic mesenchymal hamartoma in a 23-month-old boy with palpable mass. a Axial T2-weighted MRI of the liver with fat saturation demonstrates a large, mostly fluid-signal lesion with a few peripheral internal septations. b Axial T1-weighted MRI after administration of an extracellular contrast agent demonstrates no enhancement of the cystic components, with enhancing septations. Case courtesy J. Christopher Davis, MD, Children’s Hospital of Philadelphia

Vasireddi, A.K., Leo, M.E. & Squires, J.H. Magnetic resonance imaging of pediatric liver tumors. Pediatr Radiol 52, 177–188 (2022). https://doi.org/10.1007/s00247-021-05058-z](attachment:ca3da895-e5a4-4997-bf51-f22b74ce3568:image.png)

Hepatic mesenchymal hamartoma in a 23-month-old boy with palpable mass. a Axial T2-weighted MRI of the liver with fat saturation demonstrates a large, mostly fluid-signal lesion with a few peripheral internal septations. b Axial T1-weighted MRI after administration of an extracellular contrast agent demonstrates no enhancement of the cystic components, with enhancing septations. Case courtesy J. Christopher Davis, MD, Children’s Hospital of Philadelphia

Vasireddi, A.K., Leo, M.E. & Squires, J.H. Magnetic resonance imaging of pediatric liver tumors. Pediatr Radiol 52, 177–188 (2022). https://doi.org/10.1007/s00247-021-05058-z