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—An extensive MEDLINE search under optic nerve sheath fenestration and/or optic nerve sheath decompression did not produce the reference cited by Dr Skalka. His article shows a case of optic nerve sheath decompression with a bleb close to the fenestration site on B-scan echography. We are impressed that this degree of anatomic detail was demonstrable in 1976, given the crude quality of ultrasound equipment available then. Our article shows B- and A-scan echograms of the blebs and the optic nerves, as well as the magnetic resonance appearance of the bleb in one case. We apologize for overlooking this reference. Had we found the reference by Dr Skalka, we would have credited it in our article.We congratulate Dr Skalka for his original observations that further strengthen our own. We expect more work on this subject in the future.
Hamed LM, Tse DT, Glaser JS, Byrne SF, Schatz NJ. Neuroimaging of the Optic Nerve After Fenestration for Management of Pseudotumor Cerebri-Reply. Arch Ophthalmol. 1993;111(2):161. doi:10.1001/archopht.1993.01090020015003