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Multicolor imaging in choroidal osteomas.

Ramesh Venkatesh1, Bharathi Bavaharan1, Naresh Kumar Yadav1

  • 11Department of Retina and Vitreous, Narayana Nethralaya, #121/C, 1st R Block, Chord Road, Rajaji Nagar, Bengaluru, Karnataka 560010 India.

International Journal of Retina and Vitreous
|December 20, 2018
PubMed
Summary
This summary is machine-generated.

Multicolour (MC) imaging reveals distinct characteristics of choroidal osteomas (CO) and their complications. Reflectance changes in MC and infrared reflectance (IR) images help assess tumor decalcification and secondary changes, aiding prognostication.

Keywords:
Choroidal osteomaFundus autofluoroscenceImagingMulticolourOptical coherence tomography

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Retinal Diseases

Background:

  • Choroidal osteomas (CO) are rare benign tumors.
  • Understanding their imaging characteristics is crucial for diagnosis and management.
  • Secondary complications can impact visual acuity.

Purpose of the Study:

  • To describe multicolour (MC) imaging features of choroidal osteomas (CO).
  • To correlate MC imaging findings with clinical data and other imaging modalities.
  • To evaluate MC imaging's utility in assessing CO and its secondary changes.

Main Methods:

  • Retrospective descriptive case series of eleven eyes from ten patients with CO.
  • Multicolour imaging findings were analyzed.
  • Correlations were made with visual acuity, clinical features, and other imaging.

Main Results:

  • Infrared reflectance (IR) showed calcified CO as hyporeflectant and decalcified CO as isoreflectant.
  • Multicolour (MC) imaging revealed color variations: green for calcified CO, no change for decalcified CO.
  • Retinal pigment epithelial (RPE) atrophy appeared as bright orange areas on MC images; secondary changes like neovascularization were detected on green/blue reflectance.

Conclusions:

  • Multicolour (MC) imaging is valuable for assessing choroidal osteomas (CO) and secondary changes.
  • Changes in IR and MC image reflectance indicate tumor decalcification and aid prognostication.
  • MC imaging may replace color fundus photography for CO documentation and follow-up.