In intravariceal injection, the sclerosant is injected directly into the varix. In paravariceal injection, sclerosant is injected in the surrounding tissues.
A. The endoscopist makes contact with the varix to be ligated. B. The varix is aspirated into the ligating device using endoscopic suction, and the elastic band is ejected from the ligator to ensnare the varix. C. The ligated varix. (Reprinted with permis