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Keidel, Leonie F.; Schworm, Benedikt; Priglinger, Siegfried G. and Siedlecki, Jakob (2021): Pachychoroid Neovasculopathy Disguising as Age-Related Macular Degeneration Treated by Spironolactone and Anti-VEGF Combination Therapy. In: Case Reports in Ophthalmology, Vol. 12, No. 1: pp. 116-123

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Nonresponse of neovascular age-related macular degeneration (nAMD) to anti-vascular endothelial growth factor (anti-VEGF) therapy can often be attributed to misdiagnosis, and pathologies mimicking AMD might require different therapeutic concepts. In the following, we want to outline a case of presumed nAMD which revealed to be pachychoroid neovasculopathy (PNV) and was successfully treated by the addition of spironolactone. A 67-year-old female patient was referred for nonresponse of nAMD on her left eye after 29 intravitreal injections of aflibercept with no complete resolution of subretinal fluid. On fundoscopy, both maculae presented with pigment epithelium alterations, while the left eye showed subretinal fluid on optical coherence tomography (OCT) with an associated pigment epithelium detachment, which revealed to contain a neovascular network on OCT angiography. There was faint leakage on fluorescence (FAG) and indocyanine green angiography (ICGA) and some focal vascular dilation of the neovascular network on ICGA. Due to the absence of Drusen on any eye, a thick choroid, and the presence of a gravitational tract on blue autofluorescence (BAF), chronic central serous chorioretinopathy with a choroidal neovascularization, defined as PNV in the pachychoroid disease was diagnosed. Upon the addition of spironolactone to anti-VEGF treatment, choroidal thickness significantly decreased, and subretinal fluid resolution was observed and maintained for the first time. In conclusion, PNV should be ruled out in cases of presumed nAMD nonresponding to anti-VEGF. In these cases, a combination therapy of anti-VEGF and mineralocorticoid antagonists can facilitate fluid resorption. (c) 2021 The Author(s). Published by S. Karger AG, Basel

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