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papilledema

Edema of the optic disc. Etiology: - increased intracranial pressure - brain tumor - obstructive hydrocephalus - cerebral venous thrombosis - pseudotumor cerebri - hypertensive emergency (less common) [2] Clinical manifestations: 1) visual acuity generally unaffected 2) pupillary reflexes normal 3) headache & transient vision loss associated with increased intracranial pressure Special laboratory: - ophthalmoscopy - lipid (appears yellow) leaks out into the macula - elevated optic disc & indistinct disc margins [2]

Related

increased intracranial pressure (ICP) optic disk, discus nervi opitci, Mariotte's blind spot, optic papilla or porus opticus

General

sign/symptom

References

  1. Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
  2. Medical Knowledge Self Assessment Program (MKSAP) 11, American College of Physicians, Philadelphia 1998 - Medical Knowledge Self Assessment Program (MKSAP) 20 American College of Physicians, Philadelphia 2025