March 2012
Volume 53, Issue 14
ARVO Annual Meeting Abstract  |   March 2012
En Face Oct Imaging As A Complementary Diagnostic Instrument For Type 2a Retinal Telangiectasies
Author Affiliations & Notes
  • Chrysanthi Basdekidou
    Retina, Rothschild Foundation, Paris, France
  • Benjamin Wolff
    Retina, Rothschild Foundation, Paris, France
  • Vivien Vasseur
    Retina, Rothschild Foundation, Paris, France
  • Jose-Alain Sahel
    Retina, Rothschild Foundation, Paris, France
  • Martine Mauget-Faÿsse
    Retina, Rothschild Foundation, Paris, France
  • Footnotes
    Commercial Relationships  Chrysanthi Basdekidou, None; Benjamin Wolff, None; Vivien Vasseur, None; Jose-Alain Sahel, None; Martine Mauget-Faÿsse, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science March 2012, Vol.53, 833. doi:
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      Chrysanthi Basdekidou, Benjamin Wolff, Vivien Vasseur, Jose-Alain Sahel, Martine Mauget-Faÿsse; En Face Oct Imaging As A Complementary Diagnostic Instrument For Type 2a Retinal Telangiectasies. Invest. Ophthalmol. Vis. Sci. 2012;53(14):833.

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

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Purpose: : To demonstrate the clinical interest in coupling standard SD OCT imaging and angiography with En face OCT Imaging for the diagnosis and follow-up of retinal telangiectasies type 2A.

Methods: : The medical records of 4 patients with type 2A telangiectasies were analyzed. All patients underwent SD-OCT and en face OCT imaging as well as fluorescein angiography Imaging during the follow-up with Spectralis HRA+ OCT (Heidelberg Engineering, Heidelberg, Germany).

Results: : Mean visual acuity upon diagnosis was 20/63. Follow up averaged 2 years. The standard SD-OCT cut revealed the presence of bilateral cysts in the internal and external retina and fluorescein angiography (FA) showed the typical leakage. The three dimensional reconstruction obtained with the frontal cuts of the En-face OCT technique revealed the presence of a very diffuse perifoveal capillary network with the same pattern in all 4 patients. Furthermore, the obtained layer-by-layer analysis depicted the exact cysts’ location and extension within the retina. The overall analysis of the EN face OCT Imaging revealed the presence of a more extended actual lesion than the one observed in FA. During the follow-up one case was complicated with neovascular proliferation; FA showed the typical late phase intense leakage while en face OCT imaging confirmed the location of the vascular anomaly in the internal retina.

Conclusions: : The en face OCT is a very useful instrument in the visualization of the real extension of the intraretinal anomalies related to telangiectasies type 2A compared to fluorescein angiography. It allows for a more stable image analysis of the capillary network and the cysts’ depth and extension within the retina that ameliorate our comprehension concerning the nature of this pathology. It should therefore be considered as an indispensable complementary exam in the early diagnosis and follow up of telangiectatic lesions.

Keywords: imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • retina • imaging/image analysis: clinical 

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