3Francque S M,De Pauw F F,Van den Steen G H,et al.Biopsy of focal liver lesions:guidelines,comparison of techniques and cost-analysis[J].Acta Gastroenterol Belg,2003,66:160-165.
4Nobili V,Comparcola D,Sartorelli MR,et al.Blind and ultrasound-guided percutaneous liver biopsy in children[J].Pediatr Radiol,2003,33:772-775.
5Rossi P,Sileri P,Gentileschi P,et al.Percutaneous liver biopsy using an ultrsound-guided subcostal route[J].Dig Dis Sci,2001,46:128-132.
6Schlottmann K,Klebl F,Zorger N,et al.Contrast-enhanced ultrasound al lows for interventions of hepatic lesions which are invisible on convential B-mode[J].Z Gastroenterol,2004,42:303-310.
7Bang N,Bachmann Nielsen M,Vejbarg I,et al.Clinical report:contrast enhancement of tumor perfusion as a guidance for biopsy[J].Eur J Ultrasound,2000,12:159-161.
8Rossi P,Sileri P,Gentileschi P,et al.Delayed symptomatic hemobilia after ultrasound-guided liver biopsy:a case report[J].Hepatogastroenterology,2002,49:1659-1662.