Su1719 Fluorescence Navigation of Gastric Tumors by 5-ALA Mediated Photodynamic Diagnosis With a LASER-Equipped Video Endoscope

Kumi Ogihara,Hajime Isomoto, Takemasa Senoo,Mikiko Hashisako,Kazuhiro Tabata,Hiroyuki Ishii,Hitomi Minami,Ken Ohnita,Naoyuki Yamaguchi,Yuko Akazawa,Fuminao Takeshima,Masaki Kunizaki,Shigekazu Hidaka,Atsushi Nanashima,Junya Fukuoka,Takeshi Nagayasu,Kazuhiko Nakao

GASTROINTESTINAL ENDOSCOPY（2015）

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摘要

Five-aminolevulinic acid (ALA), a precursor of photosensitizing protoporphyrin IX (PpIX), mediated photodynamic diagnosis (PDD) provides good visualization for brain and bladder tumors. However, there have been few studies on endoscopic application of PDD for gastrointestinal cancers. This study was aimed to investigate the feasibility of ALA-mediated PDD for navigation of gastric tumors.

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gastric tumors,photodynamic diagnosis,fluorescence,laser-equipped

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