A malignant neoplasy of the retina. It is the most common pediatric-onset tumor of the eyes. The retinoblastoma usually occurs before the third year of age. It is possible that both eyes are affected aswell as one eye can show more than one tumor.
Author: The Armed Forces Institute of Pathology (AFIP) License: This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code.