PMC7132043_01
Representative images of 5-aminolevulinic acid-based photodynamic diagnosis. Peritoneal dissemination (arrows): red fluorescence (laparoscopic image).
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Peritoneal nodules with red fluorescence were observed using 5-ALA-PDD and diagnosed as peritoneal dissemination (Fig. 2).
Representative images of 5-aminolevulinic acid-based photodynamic diagnosis. Lymph node metastasis (arrows): red fluorescence (resected specimen).
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Red fluorescence was observed in a sampled lymph node, and the patient was diagnosed with lymph node metastasis (Fig. 3).
Representative images of 5-aminolevulinic acid-based photodynamic diagnosis. Duodenal invasion of primary gastric cancer (arrows): red fluorescence (resected specimen).
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The red fluorescence spread slightly from the stomach over the gastroduodenal junction, indicating minor duodenal invasion (Fig. 4).