Quantification of retinal layer thickness changes in acute macular neuroretinopathy
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Quantification of retinal layer thickness changes in acute macular neuroretinopathy. / Munk, Marion R.; Beck, Marco; Kolb, Simone; Larsen, Michael; Hamann, Steffen; Valmaggia, Christophe; Zinkernagel, Martin S.
In: British Journal of Ophthalmology, Vol. 101, No. 2, 02.2017, p. 160-165.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Quantification of retinal layer thickness changes in acute macular neuroretinopathy
AU - Munk, Marion R.
AU - Beck, Marco
AU - Kolb, Simone
AU - Larsen, Michael
AU - Hamann, Steffen
AU - Valmaggia, Christophe
AU - Zinkernagel, Martin S.
PY - 2017/2
Y1 - 2017/2
N2 - Purpose To quantitatively evaluate retinal layer thickness changes in acute macular neuroretinopathy (AMN). Methods AMN areas were identified using near-infrared reflectance (NIR) images. Intraretinal layer segmentation using Heidelberg software was performed. The inbuilt ETDRS -grid was moved onto the AMN lesion and the mean retinal layer thicknesses of the central grid were recorded and compared with the corresponding area of the fellow eye at initial presentation and during follow-up. Results Eleven patients were included (mean age 26±6 years). AMN lesions at baseline had a significantly thinner outer nuclear layer (ONL) (51±21 μm vs 73±17 μm, p=0.002). The other layers, including inner nuclear layer (37±8 μm vs 38±6 μm, p=0.9) and outer plexiform layer (OPL) (45±19 μm vs 33±16 μm, p=0.1) did not show significant differences between the study eyes and fellow eyes. Adjacent to NIR image lesions, areas of OPL thickening were identified (study eye: 50±14 μm vs fellow eye: 39±16 μm, p=0.005) with corresponding thinning of ONL (study eye: 52±16 μm vs fellow eye: 69±16 μm, p=0.002). Conclusions AMN presents with characteristic quantitative retinal changes and the extent of the lesion may be more extensive than initially presumed from NIR image lesions.
AB - Purpose To quantitatively evaluate retinal layer thickness changes in acute macular neuroretinopathy (AMN). Methods AMN areas were identified using near-infrared reflectance (NIR) images. Intraretinal layer segmentation using Heidelberg software was performed. The inbuilt ETDRS -grid was moved onto the AMN lesion and the mean retinal layer thicknesses of the central grid were recorded and compared with the corresponding area of the fellow eye at initial presentation and during follow-up. Results Eleven patients were included (mean age 26±6 years). AMN lesions at baseline had a significantly thinner outer nuclear layer (ONL) (51±21 μm vs 73±17 μm, p=0.002). The other layers, including inner nuclear layer (37±8 μm vs 38±6 μm, p=0.9) and outer plexiform layer (OPL) (45±19 μm vs 33±16 μm, p=0.1) did not show significant differences between the study eyes and fellow eyes. Adjacent to NIR image lesions, areas of OPL thickening were identified (study eye: 50±14 μm vs fellow eye: 39±16 μm, p=0.005) with corresponding thinning of ONL (study eye: 52±16 μm vs fellow eye: 69±16 μm, p=0.002). Conclusions AMN presents with characteristic quantitative retinal changes and the extent of the lesion may be more extensive than initially presumed from NIR image lesions.
KW - Imaging
KW - Macula
U2 - 10.1136/bjophthalmol-2016-308367
DO - 10.1136/bjophthalmol-2016-308367
M3 - Journal article
C2 - 27170518
AN - SCOPUS:84973305050
VL - 101
SP - 160
EP - 165
JO - British Journal of Ophthalmology
JF - British Journal of Ophthalmology
SN - 0007-1161
IS - 2
ER -
ID: 196047800