Liver disease induced by radioembolization of liver tumors: description and possible risk factors.
Sangro B, Gil-Alzugaray B [SP], Rodriguez J [SP], Sola I, Martinez-Cuesta A, Viudez A, Chopitea A [SP], Iñarrairaegui M [SP], Arbizu J [SP], Bilbao JI.
Liver Unit, Department of Internal Medicine, University Clinic and CIBERHD, Pamplona, Spain
Date: Apr 1, 2008Medical Oncology Radiology [SP] Hepatology Nuclear Medicine [SP]
To the authors' knowledge, liver damage after liver radioembolization with yttrium90-labeled microspheres has never been studied specifically.
Using a complete set of data recorded prospectively among all patients without previous chronic liver disease treated by radioembolization at the authors' institution from September 2003 to July 2006, patterns of liver damage were identified and possible risk factors were analyzed.
In all, 20% of patients developed a distinct clinical picture that appeared 4 to 8 weeks after treatment and was characterized by jaundice and ascites. Veno-occlusive disease was the histologic hallmark observed in the most severe cases. This form of sinusoidal obstruction syndrome was not observed among patients who never received chemotherapy or in those in whom a single hepatic lobe was treated. Relevant to treatment planning, a possible risk factor was a higher treatment dose in relation to the targeted liver volume. A transjugular intrahepatic stent shunt improved liver function in 2 patients with impending liver failure, although 1 of them eventually died from it.
Radioembolization of liver tumors, particularly after antineoplastic chemotherapy, may result in an uncommon but potentially life-threatening form of hepatic sinusoidal obstruction syndrome that presents clinically with jaundice and ascites.
CITATION Cancer. 2008 Apr 1;112(7):1538-46
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