ALA

Glioblastoma in white light
Blue light fluorescence with ALA

The dye
5-aminolevulinic acid, abbreviated ALA, is used in neurosurgery to mark the border lines of glioblastomas, degree III and IV, as well as the infected areas adjacent to the tumor.

The microscope
The operating system MÖLLER 20-1000 for ALA fluorescence features switchable filters for

  • Illumination (blue) and
  • Observation (yellow) of the operating field

The surgeon may switch between the normal white light and the fluorescence mode. The healthy tissue is sufficiently well visible for safe surgery also in fluorescence mode.

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