Ultrasonography and computed tomography in focal fatty liver. Report of two cases with special emphasis on changing appearances over time.

The features of focal fatty infiltration of the liver are described in 2 patients. In 1 patient, hepatic malignancy was initially suspected, and the true nature of the lesion was not appreciated until months later. The nondiagnostic features on ultrasonography and the characteristic features on computed tomography are described. Additional diagnostic information was obtained by guided liver biopsy and from repeat computed tomography months later, when partial or total resolution of the lesions was observed.