Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Endoscopic transparent cap-assisted endoscopic foam sclerobanding for the treatment of internal hemorrhoids. A: An obvious red color sign of internal hemorrhoids was observed with the transparent cap (indicated by arrows); B: Submucosal foam polidocanol injection, the white foam, was prominently raised; C: Negative pressure remove and ligation of the hemorrhoids with a retroflexed position. The white ball (arrow) is the ligated mucosa after foam sclerotherapy injection.
