Off-label use of 0.4% sodium hyaluronate teardrops for endoscopic resection of a rectal carcinoid.

Different substances are used for submucosal injection in order to perform a safe endoscopic mucosal resection. Viscous solutions such as sodium hyaluronate are currently considered the first line substances for submucosal injection. This product produces a durable lifting of the mucosa. However, this solution is expensive and only available in Japan. We report on the use off-label of 0.4% sodium hyaluronate teardrops as a substance for submucosal injection.