represents 95% of all skin cancer lesions, and 25% of all tumor types. Early diagnosis allows
treatment at initial stages of the disease, improving patient's prognosis. Thus, it is of great
importance the development of techniques to aid diagnosis, such as marked fluorescence,
which we propose here for early detection of skin cancer lesions. In this study, we use a
photosensitive substance, aminolaevulinic acid (ALA), as biomarkers, and analyze its in situ …