• Three cases of surgically proved pseudotumor of the orbital apex with intracranial extension occurred. All demonstrated bony destruction. Varying degrees of ophthalmoplegia and visual loss were present in all three. Previous computed tomographic descriptions of the patterns of orbital pseudotumor have not included bone destruction. Further, intracranial extension has been reported in only one patient. These three cases are reported to emphasize the fact that while these manifestations may be rare, it is appropriate to include orbital pseudotumor in the differential diagnosis of orbital apex lesions that are associated with both bone destruction and/or intracranial extension.
Frohman LP, Kupersmith MJ, Lang J, et al. Intracranial Extension and Bone Destruction in Orbital Pseudotumor. Arch Ophthalmol. 1986;104(3):380–384. doi:10.1001/archopht.1986.01050150080032
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