Table 1

Distribution of dysplasia positive biopsies with respect to their fluorescence

5-ALA application modeAll LGD (n)Fluorescence positive LGD (n)All HGD/carcinoma (n)Fluorescence positive HGD/carcinoma (n)
500 mg locally7431
5 mg/kg orally0000
10 mg/kg orally53109
20 mg/kg orally1122
30 mg/kg orally3322
  • 5-ALA, 5-aminolaevulinic acid; LGD, low grade dysplasia; HGD, high grade dysplasia.