Retinoblastoma: 1.Trilateral retinoblastoma refers to bilateral retinoblastoma associated with an intracranial tumor in the pineal or suprasellar region. 2. There can be orbital extension of retinoblastoma. 3. Intracranial dissemination occurs by direct extension through the optic nerve.4.Hematogenous (blood spread) metastases may develop in the bones, bone marrow, and less frequently, in the liver.
Answered 11/22/2013
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Ocular tumor: Retinoblastoma is a malignant ocular tumor , it is a neuroblastic tumor that originates in the retina.
Answered 1/3/2013
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