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Diversity of tumor lightings during PHOTOGEM PDT application.

Distance (surface) method of lighting by microlens

Distance (surface) method of lighting by microlens.
 
Intra-cavity method of lighting. Nose cavity tumor. Front view: endoscope is interposed into nose cavity.

 Intra-cavity method of lighting. Nose cavity tumor. Expanded view.

Fibro-endoscopic methods of lighting.
 
Diversity of intra-cavity tumor lighting during PHOTOGEM PDT application. Diffuser (run-out) interposed into gullet (oesophagus) space. Feedback is executed via endoscope.

Diversity of intra-cavity lighting.
 
Interstitial method of lighting. Needle introduced into the centre of the tumor. By virtue of needle lightguide with diffusing is routed to the tumor. Installation of diffusing is controlled by ultrasound.

Interstitial method of lighting.
 
Interstitial method of lighting. Diffuser introduced into the tumor tissue directly without needle.

Interstitial method of lighting. Melanoma (intracutaneous nodes).

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