Tissue diagnostics using laser-induced fluorescence techniques

Abstract
The fluorescence emission from tissue that is irradiated with UV‐light can be utilized for diagnostic purposes. The discrimination between tumors and normal tissue is of particular interest. We discuss natural tissue fluorescence as well as fluorescence due to injected hematoporphyrin agents. Results from studies on rats and mice are reported, as well as data from human biopsy samples. The development of clinical instrumentation for point measurements and imaging is discussed.

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