Journal francais d'ophtalmologie · 2022
[Subfoveal posterior ciliary arteries: Multimodal imaging and classification based on choroidal elevation].
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Desmettre T, Paques M
Аннотация
PURPOSE: To characterize the magnitude and consequences for interpretation of macular elevations associated with short posterior ciliary arteries (SPCA) extending to the fovea.
METHODS: Retrospective study of 96 eyes of 138 patients who underwent multimodal imaging (color photographs, SD-OCT with OCT-angiography analysis, fluorescein angiography [FA] and indocyanine green angiography [ICG]) over a two-year period. The authors selected patients with a focal choroidal elevation (FCE) associated with a SPCA extending to the fovea. FCEs were classified according to their magnitude as "Low" (<50μm), "Medium" (50μm to 100μm) and "High" (>100μm).
RESULTS: Ten patients aged 80.10±11.82 years had a FCE associated with a macular SPCA. The patients were followed for advanced AMD with neovascularization (2 cases), advanced AMD with geographic atrophy (3 cases), intermediate AMD (1 case) ; one patient was followed for diabetes ; three patients had no identified retinal pathology. The FCE associated with the SPCAs was Low (3 cases), Medium (2 cases), High (3 cases). In 2 cases, the FCE was limited to an unmeasurable choroidal fold. The interpretation associated with these FCEs was not always related to the magnitude of the elevation.
CONCLUSION: Our observations show the value of multimodal imaging in the identification of SPCA extending to the fovea, sometimes associated with a macular FCE. In some cases, the signs associated with FCE interfered with the monitoring of the condition for which the patient was being followed. Identifying these FCEs and grading their amplitude is relevant, as they should not be confused with pathological structures.
METHODS: Retrospective study of 96 eyes of 138 patients who underwent multimodal imaging (color photographs, SD-OCT with OCT-angiography analysis, fluorescein angiography [FA] and indocyanine green angiography [ICG]) over a two-year period. The authors selected patients with a focal choroidal elevation (FCE) associated with a SPCA extending to the fovea. FCEs were classified according to their magnitude as "Low" (<50μm), "Medium" (50μm to 100μm) and "High" (>100μm).
RESULTS: Ten patients aged 80.10±11.82 years had a FCE associated with a macular SPCA. The patients were followed for advanced AMD with neovascularization (2 cases), advanced AMD with geographic atrophy (3 cases), intermediate AMD (1 case) ; one patient was followed for diabetes ; three patients had no identified retinal pathology. The FCE associated with the SPCAs was Low (3 cases), Medium (2 cases), High (3 cases). In 2 cases, the FCE was limited to an unmeasurable choroidal fold. The interpretation associated with these FCEs was not always related to the magnitude of the elevation.
CONCLUSION: Our observations show the value of multimodal imaging in the identification of SPCA extending to the fovea, sometimes associated with a macular FCE. In some cases, the signs associated with FCE interfered with the monitoring of the condition for which the patient was being followed. Identifying these FCEs and grading their amplitude is relevant, as they should not be confused with pathological structures.