PARK7 and nevus: But when they examined concentrations of nervi patients with ocular symptoms at time of UM diagnosis (69,79 ng/mL), ultrasound diagnosed acoustic hollowness (86,95 ng/mL), nevus thickness > 1,5 mm (73,22 ng/mL), and large basal diameter > 8 mm (73,03 ng/mL) and compared them to nervi patients without symptoms and objective findings, they found a statistically significant elevated DJ-1 concentration.