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Cystoid maculopathy is a frequent feature of Cohen syndrome-associated retinopathy

Abstract : Abstract Cohen syndrome (CS) is a rare syndromic form of rod-cone dystrophy. Recent case reports have suggested that cystoid maculopathy (CM) could affect CS patients with an early onset and high prevalence. Our study aims at improving our understanding and management of CM in CS patients through a retrospective case series of ten CS patients with identified pathogenic variants in VPS13B . Longitudinal optical coherence tomography (OCT) imaging was performed and treatment with carbonic anhydrase inhibitors (CAI) was provided to reduce the volume of cystoid spaces. CM affected eight out of ten patients in our cohort. The youngest patient showed a strong progression of macular cysts from the age of 4.5 to 5 years despite oral CAI medication. Other teenage and young adult patients showed stable macular cysts with and without treatment. One patient showed a moderate decrease of cystoid spaces in the absence of treatment at 22 years of age. Through a correlative analysis we found that the volume of cystoid spaces was positively correlated to the thickness of peripheral and macular photoreceptor-related layers. This study suggests that CAI treatments may not suffice to improve CM in CS patients, and that CM may resolve spontaneously during adulthood as photoreceptor dystrophy progresses.
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https://hal.inrae.fr/hal-03321137
Contributor : Sabine Julien <>
Submitted on : Tuesday, August 17, 2021 - 10:22:44 AM
Last modification on : Friday, September 10, 2021 - 4:34:45 PM

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Pierre-Henry Gabrielle, Laurence Faivre, Isabelle Audo, Xavier Zanlonghi, Hélène Dollfus, et al.. Cystoid maculopathy is a frequent feature of Cohen syndrome-associated retinopathy. Scientific Reports, Nature Publishing Group, 2021, 11 (1), pp.16412. ⟨10.1038/s41598-021-95743-8⟩. ⟨hal-03321137⟩

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