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Anemia may play a role in the occurrence of raised ICP and papilledema. Although only a few cases in the literature support this association, it may be more common than previously thought. Because most patients are not known to be anemic when papilledema is discovered, we suggest that a complete blood count be obtained in patients with IIH, especially in the absence of known associated factors such as obesity or medications or when treatment aimed at lowering ICP fails to improve the patientÆs symptoms. The underlying mechanisms remain unknown, but cerebral venous thrombosis should be carefully excluded. |
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