A Comparative Study On Image Of FFA And FD-OCT In Acute Central Serous Chorioretinopathy

Objective：To research and compare the diagnosis features and their correlation of fundusfluorescein anglograph(FFA) and frequency domain optical coherence tomography(FD-OCT) in acute central serous chorioretinopathy(CSC).Methods:The data of FFA and FD-OCT of the initial diagnosis79cases’81eyes withacute CSC were retrospectively observed. Analysing the corresponding relationbetween leakage points on FFA, and abnormal changes of retinal pigment epithelium(RPE) layer on FD-OCT.Result：eighty-six leakage points were detected in81eyes on FFA．There had1leakagepoint of77eyes (95.1%),2leakage points of3eyes (3.7%),3leakage points of1eyes (1.2%). According to FFA typing, in86leakage points,27a spray-type leakagepoints (31.4%)(corresponding to the25eyes),59Ink type leakage points (68.6%)(corresponding to the56eyes).At the sites of27a spray-type leakage points，FD-OCT showed that serouspigment epithelial detachment(PED) in81eakage points (9.3%) of8eyes (9.9%), asmall RPE layer protrusion in111eakage points (12.8%) of9eyes (11.1%), RPElayer irregularity disorder in8leakage points (9.3%) of8eyes (9.9%); At the sites of59ink type leakage points， FD-OCT showed that serous pigment epithelialdetachment(PED) in131eakage points (15.1%) of12eyes (14.8%), a small RPElayer protrusion in211eakage points (24.4%) of19eyes (23.5%), RPE layerirregularity disorder in25leakage points (29.1%) of25eyes (30.9%).Outside of the fluorescence leakage,it showed16parts of low fluorescence andfluorescence staining and window defect in13eyes (16%) of81eyes, in which had11parts of window defect in8eyes (9.9%),3parts of fluorescence staining in3eyes(3.7%),2parts of low fluorescence in2eyes (2.5%). At the sites of low fluorescence and fluorescent staining and window defect, FD-OCT often showed PED, a smallRPE layer protrusion and RPE layer irregularity disorder mixed and exist at the sametime.Outside of fluorescence leakage,which were no any abnormal fluorescenceregion,FD-OCT also showed the PED, a small RPE layer protrusion, RPE layerirregularity disorder in6eyes (7.4%) of81eyes.Conclusion:Relying on the existing FD-OCT image function in RPE layer changes cannot beaccurate positioning of FFA leakage point location, FD-OCT examination can notcompletely replace FFA in acute CSC.