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Clinical science
Original article
Spectral domain-optical coherence tomography analysis of choroidal osteoma
  1. Aurélien Freton1,2,3,
  2. Paul T Finger1,2,3
  1. 1The New York Eye Cancer Center, New York, New York, USA
  2. 2The Department of Ophthalmology, The New York Eye and Ear Infirmary, New York, New York, USA
  3. 3The Department of Ophthalmology, New York University School of Medicine, New York, New York, USA
  1. Correspondence to Paul T Finger, The New York Eye Cancer Center, 115 East 61st Street, New York City, New York, NY 10065, USA; pfinger{at}eyecancer.com

Abstract

Background/aims To assess spectral domain-optical coherence tomography (SD-OCT) contribution to choroidal osteoma characterisation.

Methods A retrospective chart review of a series of patients diagnosed with choroidal osteoma, which included patient, clinical, ultrasonographic, photographic and SD-OCT imaging.

Results 11 patients were included in this series. Their mean age was 42.5 years (median=43.0; range, 14–73). Using statistical analysis, the mean basal diameters of tumours as derived from fundus photographs (5.2 mm) and ultrasound images (6.4 mm) were significantly different (paired t-test, p=0.03). Tumours were SD-OCT hyporeflective in two cases, isoreflective in seven cases and hyper-reflective in two cases. Intrinsic reflectivity of the tumour was inhomogeneous in four cases. The overlying choroid was compressed by the tumour in eight cases and the retina exhibited degenerative changes in five cases.

Conclusion This study revealed that SD-OCT provided deeper and higher resolution images of choroidal osteoma when compared with previous studies using time domain-OCT. These findings offer new insights into the pathophysiology and diagnosis of choroidal osteoma.

  • Osteoma
  • choroid
  • spectral
  • tomography
  • imaging

https://doi.org/10.1136/bjo.2011.202408

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    Footnotes

    • Funding This research work was supported by The Eye Cancer Foundation, Inc. (http://eyecancerfoundation.net/). Dr Freton received a Fellowship grant from The Eye Cancer Foundation, New York. The sponsor had no role in the design or conduct of this research.

    • Competing interests None.

    • Ethics approval This study was conducted with the approval of the Institutional Review Board of The New York Eye Cancer Center, New York, New York, USA.

    • Provenance and peer review Not commissioned; externally peer reviewed.