Falco J, et al. - The accuracy of near infrared light (NIRL) was compared with white light (WL) for the visualization of the parathyroid gland (PG). Findings displayed that during thyroid and parathyroid surgery, the use of NIRL for PG visualization significantly increased the number of identified PGs. Moreover, no effects of age, sex, and histopathological diagnosis were reported in fluorescent intensity among PGs, thyroid glands, and background.