An educational tool for photodynamic therapy of Barrett esophagus with high-grade dysplasia: from screening through follow-up.

Photodynamic therapy using a centering balloon was recently approved by the Food and Drug Administration for ablation of Barrett esophagus with high-grade dysplasia. This article is an educational tool for the photodynamic therapy team, addressing four important steps involved with photodynamic therapy: screening for potential patients, patient education, treatment using the centering balloon, and follow-up after treatment. Each step ensures proper care for the patient requiring photodynamic therapy.