Background: Retinoblastoma is the most common type of eye cancer in children. Computed tomography (CT) scan is commonly used in Indonesian hospitals as imaging approach for diagnosing retinoblastoma. This research aims to test the diagnostic ability of head CT scan relative to histopathology in diagnosing retinoblastoma di RSUP Dr. Mohammad Hoesin Palembang between 2020—2022. Method: The rese…