Mesenchymal hamartoma of the liver in infant: its roentgen diagnosis.

A case of mesenchymal hamartoma of the liver in an 18-month-old boy is reported. CT and US revealed a large, cystic tumour surrounded by a thick wall. In the lower portion of the tumour, a small solid component was recognized on CT. Angiography revealed marked arterial displacement, fine tumour vessels and a large radiolucent area. CT, US and angiography were helpful to make a diagnosis of mesenchymal hamartoma of the liver.