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Guided by the Light: Using 5-ALA to Resect Head and Neck Tumors


Tumors of the head and neck are located in anatomical areas that contain many structures that are vital to quality of life. To aid in removal of the malignancies, Alfred M.C. Iloreta, Jr., MD, has utilized 5-aminolevulinic acid—a naturally occurring substance that, when administered at a high dose and exposed to specific wavelengths of light, converts into a porphyrin and glows.

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