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We present two patients with bleeding episodes from gastric fundal varices. The gastric fundal varices were treated by balloon catheter-assisted endoscopic sclerotherapy using α-cyanoacrylate monomer. The varices were successfully obliterated with no complications or hemodynamic changes to the gastrorenal shunts. This procedure may be considered a novel, feasible approach to the treatment of gastric fundal varices in the future.