9513/3 Retinoblastoma, diffuse


Definitions

Eye and adnexa
ICD-O-3 topography code: C69
ICD10: C69
           

A retinoblastoma characterized by the absence of a distinct retinal mass and the presence of malignant cells diffusely infiltrating the retina. It is often confused with uveitis and endophthalmitis, resulting in delayed diagnosis of the malignancy.