Abstract
Most tumors of the biliary tract are too small to have specific imaging characteristics or for percutaneous puncture to provide sufficient material for diagnosis. Percutaneous transhepatic biliary drainage, in addition to being a well-established technique in the treatment of obstructive jaundice, provides adequate access for sampling obstructive lesions. In cases of biliary lesions, percutaneous transhepatic biopsy of the biliary tract has proven to be a useful diagnostic technique, with a reported accuracy of over 90% at some referral centers.
Highlights
Bile duct tumors are, for the most part, too small to have specific imaging characteristics or to allow percutaneous puncture that collects sufficient material for diagnosis[1,2]
In cases of biliary lesions, percutaneous transhepatic biopsy of the biliary tract has proven to be a useful diagnostic technique, with a reported accuracy of over 90% at some referral centers
Other techniques for obtaining histological samples have been developed for use in the biliary tract[3,4,5,6,7,8,9,10]
Summary
Thiago Franchi Nunes1,a, Tiago Kojun Tibana1,b, Rômulo Florêncio Tristão Santos1,c, Bernardo Bacelar de Faria2,d, Edson Marchiori3,e.
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