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- W3198248792 abstract "Optic nerve assessment is an important aspect of glaucoma diagnosis and follow-up. This project describes a protocol for a unified methodology of optic nerve cross-sectional assessment and quantification using 3 T MRI for image acquisition and ImageJ's Fiji software for image processing quantification. Image acquisition was performed using 3 T MRI, with proper instructions for the patient to ensure straight fixation during imaging. A T2-weighted fat suppressed sequence was used. A coronal cut taken 3 mm behind the globe and perpendicular to the optic nerve axis should be uploaded to the software. Using the threshold function, the white matter area of the optic nerve is selected and quantified, thus, eliminating inter-individual measurement bias. We also described the normal limits for the optic nerve cross-sectional area according to age, based on previously published literature. We used the described protocol to assess optic nerve of a suspected glaucoma patient. The optic nerve cross-sectional area was found to be within the normal limits, a finding further confirmed via optical coherence tomography of the optic nerve." @default.
- W3198248792 created "2021-09-13" @default.
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- W3198248792 date "2021-09-04" @default.
- W3198248792 modified "2023-10-10" @default.
- W3198248792 title "Quantification of Optic Nerve Cross Sectional Area on MRI: A Novel Protocol using Fiji Software" @default.
- W3198248792 doi "https://doi.org/10.3791/62752" @default.
- W3198248792 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34542542" @default.
- W3198248792 hasPublicationYear "2021" @default.
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