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Visualization of microaneurysms using optical coherence tomography angiography: comparison of OCTA en face, OCT B-scan, OCT en face, FA, and IA images

  • Clinical Investigation
  • Published:
Japanese Journal of Ophthalmology Aims and scope Submit manuscript

A Correction to this article was published on 24 February 2018

This article has been updated

Abstract

Purpose

To compare the visualization of microaneurysms (MAs) in patients with diabetic retinopathy (DR) using optical coherence tomography angiography (OCTA) with that using fluorescein angiography (FA).

Study design

Prospective, clinical, and experimental.

Methods

This study was a prospective evaluation of imaging technology. Thirty-seven eyes of 33 patients with DR were scanned using an OCTA instrument. The 83 MAs that were confirmed on OCT B-scan and OCT en face images were evaluated using OCTA, and these findings were compared with those evaluated using FA.

Results

Of the 83 MAs confirmed on OCT B-scan images, 73 (88%) were clearly visualized on the OCTA en face images as nodular or comma-shaped structures, while the remaining 12% did not present with a typical MA or vascular structure on the OCTA en face images at the relevant positions. Seventy-four of the 83 MAs (87%) confirmed on the OCT B-scan images presented as punctate hyperfluorescent spots on the FA images. On the FA images, 8 of 9 (88%) MAs absent on the OCTA en face images presented as hyperfluorescent spots. Visualization of the MAs on the OCTA en face images did not correlate with the OCT B-scan images of the MA lumens (open, closed, or heterogeneous).

Conclusions

For diabetic maculopathy, OCTA en face images do not present with comprehensive MAs images, indicating that some MAs might be overlooked with OCTA en face images.

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Change history

  • 24 February 2018

    In the original publication, the yellow circles in Figures 2a, 2b, 3a and 3b are placed incorrectly. The corrected figures are given in this Erratum.

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Author information

Authors and Affiliations

  1. Department of Ophthalmology, Juntendo University Graduate School of Medicine, Tokyo, Japan

    Masafumi Hamada, Keiji Inagaki, Nobuyuki Ebihara & Akira Murakami

  2. Department of Ophthalmology, St. Luke’s International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan

    Masafumi Hamada, Kishiko Ohkoshi & Keiji Inagaki

  3. Department of Ophthalmology, Juntendo University Urayasu Hospital, Urayasu, Japan

    Nobuyuki Ebihara

Authors
  1. Masafumi Hamada
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  2. Kishiko Ohkoshi
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  3. Keiji Inagaki
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  4. Nobuyuki Ebihara
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  5. Akira Murakami
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Corresponding author

Correspondence to Masafumi Hamada.

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Conflicts of interest

M. Hamada, Equipment (Chuo Sangio); K. Ohkoshi, Equipment (Chuo Sangio); K. Inagaki, Nnoe; N. Ebihara, None; A. Murakami, Grant (Abbott Japan, Alcon Japan, Eisai, HOYA, Kaken Pharmaceutical, Kowa Pharmaceutical, Lumenis, MSD, Novartis Phama, Otsuka Pharmaceutical, Pfizer Japan, Santen Pharmaceutical, SEED, Senju Pharmaceutical, Rohto Pharmaceutical, Wakamoto), P (The license for hydrogel ophthalmic lens for gene therapy of eye was acquired by SEED from the Author).

Additional information

The ​original ​version ​of ​this ​article ​was ​revised: In the original publication, the yellow circles in Figures 2a, 2b, 3a and 3b were placed incorrectly. The figures are corrected.

A correction to this article is available online at https://doi.org/10.1007/s10384-018-0577-6.

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Hamada, M., Ohkoshi, K., Inagaki, K. et al. Visualization of microaneurysms using optical coherence tomography angiography: comparison of OCTA en face, OCT B-scan, OCT en face, FA, and IA images. Jpn J Ophthalmol 62, 168–175 (2018). https://doi.org/10.1007/s10384-018-0570-0

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  • DOI: https://doi.org/10.1007/s10384-018-0570-0

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