FINE-NEEDLE ASPIRATION BIOPSY OF THE LIVER - PRINCIPAL DIAGNOSTIC CHALLENGES

Fine needle aspiration biopsy (FNAB) is the diagnostic procedure of ch oice for evaluation of liver lesions. Although primarily applied to ma lignant disease, it is also used in the evaluation of benign condition s. Improvements in imaging techniques and advances in cytologic interp retations, as well as production of new biopsy needles, have all contr ibuted to the rapid increase in radiologically guided liver FNAB.