Optical coherence tomography as a tool for monitoring pediatric pseudotumor cerebri.
PURPOSE: To evaluate optical coherence tomography (OCT) measurement of peripapillary retinal nerve fiber layer (RNFL) and macular thickness in children with pseudotumor cerebri. METHODS: Prospective observational series of children with pseudotumor cerebri compared against controls matched for age and gender. We included 11 pediatric subjects with clinical pseudotumor cerebri and 37 normal controls. Subjects underwent a complete eye examination including stereo disk photographs and OCT. Peripapillary RNFL and macular thickness were evaluated using the Stratus OCT 3000. The peripapillary RNFL was evaluated with two protocols: Fast RNFL Map protocol with values divided in eight sections, made up of four quadrants, each with an inner and outer ring, and Fast RNFL Thickness (3.4) protocol, using values presented for four quadrants. A Fast Macular Thickness Map was also obtained, and results reported similarly included eight sections, made up of four quadrants, each with an inner and outer ring. RESULTS: The Fast RNFL Map protocol showed an increased RNFL thickness (pseudotumor cerebri vs controls) in the temporal and superior quadrants. The Fast RNFL Thickness (3.4) protocol showed a thicker average RNFL for pseudotumor cerebri eyes compared with controls (125.7 vs 106.5 microm, p < 0.0001). The Fast Macular Thickness Map showed an increased RNFL thickness in the nasal quadrant for the inner ring. The macular volumes for pseudotumor cerebri versus control eyes were 7.21 versus 6.97 mm(3), respectively (p = 0.005). CONCLUSIONS: OCT shows increased RNFL and macular thickness in pseudotumor cerebri and may be a useful clinical tool in these children.
El-Dairi, MA; Holgado, S; O'Donnell, T; Buckley, EG; Asrani, S; Freedman, SF
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