Research Article

Fluorescence-Guided Resection of Malignant Glioma with 5-ALA

Figure 2

The amount of porphyrins in the control brain tissue and glioblastoma tissue. The white bar shows control tissue from a brain tumor patient (), and the gray bar shows glioblastoma () () (PENTA: pentacarboxyl porphyrin, COPRO I or III: coproporphyrin I or III, HARDERO: harderoporphyrin, and PpIX: protoporphyrin IX).