[Use of sensitizers and photo laser for diagnosis and treatment of malignant tumors].

The authors present a new and original method of destroying neoplastic tissues with the use of a laser light. Photodynamic therapy (PTD) requires three components: the photosensitizer, oxygen and light. This method is a promising for treatment on a many specialty including head and neck area. Advantage of PDT ist possibility several times radiation the carcinoma cells. Photodynamic therapy is application for diagnostics and treatment carcinoma and when the conventional therapy is not possible.