: Swelling around the optic nerve, usually due to pressure on the nerve by a tumor.
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Edema of the optic disk, often due to increased intracranial pressure. SYN: choked disk. [papilla + edema]

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pap·il·le·de·ma or chiefly Brit pap·il·loe·de·ma .pap-əl-ə-'dē-mə n swelling and protrusion of the blind spot of the eye caused by edema called also choked disk

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pa·pil·le·de·ma (pap″il-ə-deґmə) edema of the optic disk (papilla), most commonly due to increased intracranial pressure, malignant hypertension, or thrombosis of the central retinal vein; called also choked disk.

Medical dictionary. 2011.

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