Abstract
To describe the imaging findings and clinical course of sloughing of biliary tumour ingrowth of hepatocellular carcinoma (HCC) after chemoembolization. We reviewed 12 patients who experienced sloughing of biliary tumour ingrowth after chemoembolization. We evaluated the patients' characteristics, clinical manifestations and treatment modalities. We also reviewed computed tomography (CT) scans to determine the characteristics of the sloughed tumour including length, attenuation and appearances during follow-up. The length of the sloughed tumour ranged from 0.6-7.8 cm. Their Hounsfield units ranged from 35-729. Sloughed tumours were misreported as biliary stones in four patients, and were not reported in the initial CT report in one patient. At the time of sloughing, seven patients complained of cholestatic symptoms, while the other five had no symptoms. Four patients underwent sphincterotomy and tumour removal under endoscopic retrograde cholangiopancreaticography (ERCP), two underwent percutaneous transhepatic biliary drainage (PTBD) and one underwent PTBD followed by ERCP. The remaining five were managed conservatively. Five sloughed tumours were removed by ERCP, six disappeared spontaneously within 3 months, and one patient h...Continue Reading
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