Abstract:AIM: To compare and observe the image characteristics of polypoidal choroidal vasculopathy(PCV)with frequency domain optical coherence tomography(OCT)andoptical coherence tomography angiographyoptical(OCTA).
METHODS: Totally 25 eyes of 25 patients diagnosed with PCV in our hospital from March 2018 to December 2018 were included in the study. All the patients were examined by fluorescein fundus angiography(FFA)and /or indocyanine green angiography(ICGA)and OCT and OCTA were performed at the same time. Their similarities and differences between OCT and OCTA were compared.
RESULTS: OCT examination showed 14 eyes with serous and hemorrhagic pigment epithelial detachment(PED)in 25 eyes. OCTA lesions were in dark areas with low signal and 9 eyes showed strong signal points beside. OCTA showed branch vascular network(BVN)of reticular structure in 11 eyes with double layer sign. In 12 eyes with polyps lensions, OCTA showed strong or low signal areas.
CONCLUSION: OCTA is more intuitive to BVN in eyes with PCV. Polyps show strong or weak signals. Serous and hemorrhagic PED, OCT and OCTA images all showed low reflection or low singial dark ares,without characteristic. The lesion location and morphology of the two showed similarities, but also differences.
