%0 Case Reports
%T Hepatic Inflammatory Pseudotumor Mimicking Malignant Tumor With Rare Onset of Intra-abdominal Hemorrhage.
%A Yamamura K
%A Beppu T
%A Oda E
%A Sato N
%A Yuki H
%A Motohara T
%A Miyamoto H
%A Miyamura S
%A Onishi K
%A Komohara Y
%A Akahoshi S
%J Anticancer Res
%V 41
%N 5
%D May 2021
%M 33952504
%F 2.435
%R 10.21873/anticanres.15054
%X <B>BACKGROUND: </B>Hepatic inflammatory pseudotumor (HIPT) is an uncommon benign tumor-like mass that mimics malignant tumors.<BR><B>METHODS: </B>A 73-year-old man was admitted with severe epigastric pain and high fever. He had received choledocojejunostomy. Enhanced computed tomography showed a 76 mm, heterogeneous, gradual enhanced low-density mass in the caudate lobe and hyperdense fluid was detected around the mass. Based on the diagnosis of hemorrhage from a hypervascular malignant liver tumor, chemoembolization was conducted. Antibiotics (Meropenem) were administered for 2 weeks, and methylprednisolone (125 mg) was administered twice as a premedication for chemoembolization. After the 2nd chemoembolization, rapid tumor shrinkage was observed and the inflammatory changes gradually disappeared. The tumor was finally diagnosed as fibrohistiocytic type HIPT with an ultrasound-guided percutaneous tumor biopsy. The diameter of the liver tumor decreased to 15 mm and intra-abdominal hemorrhage disappeared in 3 months.<BR><B>CONCLUSIONS: </B>Development of HIPT can be associated with intra-abdominal hemorrhage.