Increasing Incidence of Posterior Uveal Melanoma in Scandinavia 1960-2022: A Tri-National Study.

Purpose: To investigate temporal trends in the incidence of posterior uveal melanoma in Scandinavia (Sweden, Denmark, and Norway) between 1960 and 2022 and explore potential associations with changes in tumor size and patient age at diagnosis.

Design: Retrospective, registry-based cohort study utilizing nationwide data from the three Scandinavian countries.

Participants: All patients diagnosed with posterior uveal melanoma (choroid or ciliary body) in Sweden (1960-2022), Denmark (1960-2022), and Norway (1993-2022), totaling 10,154 cases.