期刊
OPHTHALMIC SURGERY LASERS & IMAGING RETINA
卷 51, 期 11, 页码 640-647出版社
SLACK INC
DOI: 10.3928/23258160-20201104-06
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BACKGROUND AND OBJECTIVE: The purpose of this study is to compare the morphological features of type 1 choroidal neovascularization (CNV) in eyes with age-related macular degeneration (AMD) and pachychoroid neovasculopathy (PNV) using optical coherence tomography angiography (OCTA). PATIENTS AND METHODS: Nineteen eyes of 17 patients with PNV and 30 eyes of 30 patients with AMD were evaluated. The size and area of CNV and morphological patterns during a 6-month period were analyzed using optical coherence tomography angiography. RESULTS: The presence of a feeder vessel was more common in AMD than in PNV. Indistinct pattern was more common in PNV than AMD. Pruned vascular tree pattern was rare in PNV eyes during follow-up. The mean size and flow of selected CNV area was significantly smaller in PNV group. CONCLUSION: This study demonstrated that type 1 CNVs in the PNV group is characterized by a smaller area. Morphologic pattern differences between them might be explained by different etiopathogenesis under these circumstances.
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