BTNL8 and infection: <h4>Objective</h4>The aim of this study was to evaluate the prognostic value of Butyrophilin-like protein 8 (BTNL8) expression in high-risk HPV (hrHPV) infection treated with photodynamic therapy.<h4>Methods</h4>A total of 93 patients with hrHPV infection were enrolled as research study subjects, along with 69 healthy women who served as controls.