Figure 2From: Photodynamic diagnosis of pleural malignant lesions with a combination of 5-aminolevulinic acid and intrinsic fluorescence observation systemsThe autofluorescence observation system. A small CCD camera is attached to the endoscopic color fluorescence system PDS-2000, to enable white light and autofluorescence to be observed via a filter. The color fluorescence camera is equipped with a thoracoscope using the Olympus endoscopic system attachment.Back to article page