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Related Experiment Video

Updated: Sep 12, 2025

Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
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Combining Hypo-Reflective Structural En Face Imaging Improves Polypoidal Lesion Detection on Spectral-Domain OCT

Jianqing Li1,2, Nana Xu3, Huixun Jia1,2

  • 1Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.

Translational Vision Science & Technology
|August 5, 2025
PubMed
Summary
This summary is machine-generated.

Identifying hyporeflective signals on spectral-domain optical coherence tomography angiography (SD-OCTA) structural en face images significantly improves polypoidal lesion detection in polypoidal choroidal vasculopathy (PCV). This enhanced approach increases diagnostic accuracy, aiding clinical practice.

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Vascular Biology

Background:

  • Polypoidal choroidal vasculopathy (PCV) is a common subtype of neovascular age-related macular degeneration.
  • Accurate detection of polypoidal lesions is crucial for effective PCV management.
  • Spectral-domain optical coherence tomography angiography (SD-OCTA) is a key imaging modality for PCV diagnosis.

Purpose of the Study:

  • To identify novel features on SD-OCTA for improved detection of polypoidal lesions in PCV.
  • To enhance the diagnostic performance of SD-OCTA in identifying PCV.

Main Methods:

  • Prospective study involving 22 eyes with ICGA-confirmed PCV.
  • Simultaneous imaging with SD-OCTA and swept-source OCTA (SS-OCTA).
  • Independent, blinded review of images to compare morphological features and establish combined diagnostic criteria for SD-OCTA.

Main Results:

  • Indocyanine green angiography (ICGA) identified 52 polypoidal lesions.
  • SS-OCTA showed 98% detection rate; initial SD-OCTA showed 69%.
  • Combined criteria improved SD-OCTA detection to 85% with 95% diagnostic accuracy, identifying 8 additional lesions.

Conclusions:

  • Combining specific SD-OCTA features significantly enhances polypoidal lesion detection.
  • This improved SD-OCTA diagnostic performance is recommended for clinical practice in PCV diagnosis.
  • The findings highlight the clinical utility of SD-OCTA for PCV, especially with standard RPE and BM segmentation.