September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Choroidal Vessel Enlargement at Choriocapillaris Layer in Central Serous Chorioretinopathy: Analysis with Optical Coherence Tomography and Angiography
Author Affiliations & Notes
  • Mingui Kong
    Samsung Medical Center, Seoul, Korea (the Republic of)
  • Sung Yong Park
    Samsung Medical Center, Seoul, Korea (the Republic of)
  • Don-Il Ham
    Samsung Medical Center, Seoul, Korea (the Republic of)
  • Footnotes
    Commercial Relationships   Mingui Kong, None; Sung Yong Park, None; Don-Il Ham, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 2159. doi:
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      Mingui Kong, Sung Yong Park, Don-Il Ham; Choroidal Vessel Enlargement at Choriocapillaris Layer in Central Serous Chorioretinopathy: Analysis with Optical Coherence Tomography and Angiography. Invest. Ophthalmol. Vis. Sci. 2016;57(12):2159.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : To investigate enlarged choroidal vessels at the choriocapillaris layer in eyes with central serous chorioretinopathy (CSC).

Methods : Clinical records of 11 eyes of 10 consecutive patients diagnosed as CSC were investigated. All patients underwent multimodal imaging, including indocyanine green angiography (IA) and enhanced depth imaging (EDI) spectral domain optical coherence tomography (SD OCT). The choriocapillaris layer was searched for enlarged vessel-like structures under the area of retinal pigment epithelial (RPE) abnormalities identified with OCT. The locational analysis was performed using superimposition method or point-to-point registration.

Results : EDI OCT raster scan showed RPE abnormalities, which were matched in position with RPE hyperreflecitivities observed in en face OCT. EDI OCT raster scan detected enlarged choroidal structures with a lumen, nearly abutting Bruch’s membrane in all eyes. They spanned 3 choroidal layers, and their positions coincided with those of large choroidal vessels on IA. En face OCT also showed large dilated tube-like structures at the choriocapillaris layer in all eyes, which were matched with enlarged choroidal structures on EDI OCT raster scan images. They were located at the same position of underlying dilated large choroidal vessels, and beneath all active leakage points (4/4), all SRF area (7/7), and 83.3% (5/6) of PED lesions.

Conclusions : Some segments of choroidal large vessels are severely dilated up to the choriocapillaris layer under the area of RPE abnormalities in CSC, and OCT is an essential tool for detection. They might be associated with pathogenesis of CSC.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

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