Widhalm, Georg 5-Aminolevulinic acid is a promising marker for detection of anaplastic foci in diffusely infiltrating gliomas with nonsignificant contrast enhancement. [electronic resource] - Cancer Mar 2010 - 1545-52 p. digital Publication Type: Journal Article ISSN: 0008-543X Standard No.: 10.1002/cncr.24903 doi Subjects--Topical Terms: AdultAgedAminolevulinic AcidBiomarkers, TumorBrain Neoplasms--diagnostic imagingFemaleGlioma--diagnostic imagingHumansIntraoperative PeriodMaleMiddle AgedPhotosensitizing AgentsPositron-Emission Tomography--methods