To the Editor.
—I read with interest the Case Report by Lilley et al1 in the December 1990 issue of the Archives. The case of optic disc edema due to hypoxic optic neuropathy, as reported so well by the authors, adds to the limited literature on the topic and helps us understand the multiple optic disc edema mechanisms.However, the last paragraph in the report is unfortunate. It reflects the long-standing association between the poorly defined word papilledema and increased intracranial pressure (ICP). (Notice that we avoid its use in patients with optic disc edema due to optic neuritis.) The authors suggest that this patient had pseudotumor cerebri (PTC) due to anemia, and, therefore, papilledema due to increased ICP. Not all cases of optic disc edema (even bilateral optic disc edema) are due to the papilledema of increased ICP. No evidence is provided in this report that ICP was
Lubow M. 'Pseudo' Pseudotumor Cerebri in Aplastic Anemia. Arch Ophthalmol. 1991;109(12):1638. doi:10.1001/archopht.1991.01080120016009