This paper reviews the use of photodynamic therapy (PDT) in patients with Barrett's esophagus and esophageal carcinoma. We describe the history of PDT, mechanics, photosensitizers for PDT in patients with esophageal disease. Finally, we discuss its utility and limitations in this setting.
Keywords: Ablation therapy; Aminolevulinic acid; Barrett esophagus; Dihematoporphyrin ether; Esophageal neoplasms.