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Papilledema: A Review of the Pathophysiology, Imaging Findings, and Mimics
Angela Guarnizo1, Danah Albreiki2, Juan Pablo Cruz3
1Division of Neuroradiology, Department of Radiology, 58629Fundación Santa Fe de Bogotá, Bogotá, Colombia.
Abstract:
Increased intracranial pressure is the most common cause of papilledema. Multiple etiologies such as cerebral edema, hydrocephalus, space occupying lesions, infection, and idiopathic intracranial hypertension among others should be considered. Imaging plays a critical role in the detection of pathologies that can cause papilledema. MRI with contrast and CE-MRV, in particular, are key for the diagnosis of idiopathic intracranial hypertension. This review will focus in common and infrequent causes of papilledema, the role of imaging in patients with papilledema as well as its potential mimickers.
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