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Liver stiffness and perfusion changes for hepatic sinusoidal obstruction syndrome in rabbit model

World Journal of Gastroenterology 2020年第7期26卷 706-716页

作者： jaeseung shin Haesung Yoon Yoon Jin Cha Kyunghwa Han Mi-Jung Lee Myung-Joon Kim Hyun Joo shin Department of Radiology Severance HospitalResearch Institute of Radiological ScienceYonsei University College of MedicineSeoul 03722South Korea Department of Pathology Gangnam Severance HospitalYonsei University College of MedicineSeoul 06273South Korea Department of Radiology Severance HospitalResearch Institute of Radiological ScienceCenter for Clinical Imaging Data ScienceSeoul 03722South Korea

BACKGROUND Hepatic sinusoidal obstruction syndrome(SOS)is caused by damage to hepatic sinusoidal endothelial cells that results in fibrous obliteration of intrahepatic venules and necrosis of *** the diagnosis is primarily based on nonspecific clinical features and invasive liver ***,noninvasive imaging methods are required for the early diagnosis and severity assessment of hepatic *** To determine the effectiveness of supersonic shear wave imaging(SSI)and dual energy computed tomography(DECT)for diagnosing hepatic SOS using a rabbit *** Among nine New Zealand white rabbits(3-4 kg,male),three in control group ingested normal saline for 20 d and six in the SOS group ingested 6-thioguanine(5 mg/kg/d)for 20 *** stiffness was measured using SSI on days 0,3,10,and *** the same days,liver perfusion was evaluated from virtual monochromatic images of 55 keV and iodine map using *** changes in the liver were assessed using *** pathology scores were compared between the two *** stiffness and perfusion parameters were compared according to the groups,days,and pathology *** Final pathology scores were significantly higher in the SOS than the control group(median 22 vs 2,P=0.024).No gross morphologic changes were seen in *** stiffness,Hounsfield Unit values,and iodine concentrations were higher in the SOS compared to the control group on days 10 and 20(all,P≤0.007).Compared to day 0,liver stiffness and perfusion parameters were higher on day 20 in the SOS group(all,P≤0.001).Correlation coefficients for liver stiffness(r=0.635),Hounsfield Unit values(r=0.587),and iodine concentration(r=0.611)with final pathology scores were positive without significance(all,P>0.05).CONCLUSION Liver stiffness and perfusion parameters were significantly increased in the livers of a rabbit SOS *** and DECT might aid in early diagnosis of hepatic SOS.

关键词： Hepatic sinusoidal obstruction syndrome Elasticity imaging techniques Iodine Computed tomography Liver Animals

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