Abstract: Objective To investigate the imaging characteristic of non-uniform fatty liver with ultrasound(US) and provide the reliable diagnostic basis for clinic.Methods 35 patients,who were diagnosed by US as non-uniform fatty liver,have been classified into four types based upon imaging characteristics.The ultrasonic imaging was compared with results of computerized tomography(CT).These patients were suggested to conduct the controlled diet and physical exercise for 6 months.Results The degrees of fatty liver injury in all cases were alleviated after 6 month diet and exercise treatment.Of them,5 cases were found complete disappearance of fatty liver image by ultrasound.One case presented an occupying neoplasm by ultrasound image was finally diagnosed as liver cancer via MRI and three cases were diagnosed as liver hemangiomas.Conclusion The non-uniform fatty liver disease is reversible illness and will be much reliable diagnosed by combinative use of US and CT/MRI.

Key words: ultrasound, fatty liver, non-uniform