Polymorphic multiple hepatocellular adenoma including a non-steatotic HNF1α-inactivated variant

<正>To the Editor:Hepatocellular adenomas(HCAs)consist of benign liver tumors favored by the use of oral contraceptives,which preferentially occur in women.~([1,2]) They expose to the risk of hemorrhage(20%of cases)and more rarely,to the risk of malignant transformation(4%-10%of cases).~([3,4])Multiple HCAs,which are defined by the presence of 10 or more