12 month old male with unilateral group D retinoblastoma status post to intra-arterial chemotherapy injections, evaluate disease status Brain: There is no evidence of intracranial hemorrhage, mass, or acute infarct. The brain parenchyma and pituitary gland appear unremarkable. There is no abnormal intracranial enhancement. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, paranasal sinuses, and scalp soft tissues are grossly unremarkable.Orbits: Redemonstrated is minimally enhancing lesion that measures approximately 2 x 7 mm in transaxial imaging along the posterolateral aspect of the right globe with apparent episcleral irregularity. The right optic nerve appears to be intact. These findings are unchanged. The left orbit is unremarkable.
1.Stable subcentimeter right intraocular retinoblastoma with suggestion of possible episcleral extension. 2.No evidence of left orbital tumor.3.No evidence of intracranial tumor to suggest trilateral retinoblastoma.