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- W1977879190 abstract "Fifteen patients with Barrett's esophagus and dysplasia were treated with photodynamic therapy. Four patients also had early, superficial esophageal cancers and 5 had esophageal polyps. Light was delivered via a standard diffuser or a centering esophageal balloon. Eight patients maintained on omeprazole and followed for 6 - 54 months are the subject of this report. Photodynamic therapy ablated dysplastic or malignant mucosa in patients with superficial cancer. Healing and partial replacement of Barrett's mucosa with normal squamous epithelium occurred in all patients and complete replacement with squamous epithelium was found in two. Side effects included photosensitivity and mild-moderate chest pain and dysphagia for 5 - 7 days. In three patients with extensive circumferential mucosal ablation in the proximal esophagus, healing was associated with esophageal strictures which were treated successfully by esophageal dilation. Strictures were not found in the distal esophagus. Photodynamic therapy combined with long-term acid inhibition provides effective endoscopic therapy of Barrett's mucosal dysplasia and superficial (Tis-T1) esophageal cancer. The windowed centering balloon improves delivery of photodynamic therapy to diffusely abnormal esophageal mucosa.© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only." @default.
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- W1977879190 date "1994-10-08" @default.
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- W1977879190 title "<title>Barrett's esophagus: photodynamic therapy for ablation of dysplasia, reduction of specialized mucosa and treatment of superficial esophageal cancer</title>" @default.
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- W1977879190 doi "https://doi.org/10.1117/12.203380" @default.
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