Retinocytoma

**Semantic type:** Neoplastic Process

**Definition:** A rare, unilateral or bilateral benign neoplasm that arises from the retina. There is an increased risk of malignant transformation to retinoblastoma; therefore, patients with a diagnosis of retinocytoma should be closely observed.

**Synonyms:** - Retinoblastoma, spontaneously regressed - Retinoma - Spontaneously Regressed Retinoblastoma