Choroidal neovascularization characteristics and its size in optical coherence tomography

Seung Gab Kim, Sungchul Lee, Youl Seok Seong, Sun Woong Kim, Oh Woong Kwon

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The classification, size and activity of choroidal neovascularization (CNV) by optical coherence tomography (OCT) were compared with those obtained by fluorescein angiography (FA) and Indocyanine green angiography (ICG). This study included 32 patients (32 eyes) diagnosed as having CNV. The etiology of CNV was found to be age-related macular degeneration (AMD) or non-AMD. Patients were studied retrospectively by FA, ICG, and OCT. Of the 13 eyes with AMD, the boundary of the lesion could not be defined using FA in 7 patients. Among the 7 poorly defined CNV cases by FA, the identification of the boundary was possible in one case by OCT. The mean diameter of the classic well-defined lesions was 3500 ± 421 μm by FA, 2624 ± 1044 μm by ICG, and 1927 ± 1272 μm by OCT. The size of the CNV by OCT was always smaller than by FA or ICG. Of the 19 eyes with Non-AMD, the boundary of the lesion could not be defined by FA in 5 patients. Among the 5 poorly defined cases by FA, the identification of the boundary was possible in 3 cases by OCT. The mean diameter of the well-defined CNV lesions was 2153 ± 759 μm by FA, 1929 ± 673 μm by ICG, and 1322 ± 566 μm by OCT. Retinal thickness, which represents retinal edema, was found to be proportional to lesion size, although the relationship was not statistically significant. Regardless of CNV type, FA, ICG and OCT used in combination increase the specificity of diagnosis if their findings are compared.

Original languageEnglish
Pages (from-to)821-827
Number of pages7
JournalYonsei Medical Journal
Volume44
Issue number5
DOIs
Publication statusPublished - 2003 Oct 30

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Choroidal Neovascularization
Fluorescein Angiography
Optical Coherence Tomography
Indocyanine Green
Angiography
Macular Degeneration
Papilledema

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Kim, Seung Gab ; Lee, Sungchul ; Seong, Youl Seok ; Kim, Sun Woong ; Kwon, Oh Woong. / Choroidal neovascularization characteristics and its size in optical coherence tomography. In: Yonsei Medical Journal. 2003 ; Vol. 44, No. 5. pp. 821-827.
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Choroidal neovascularization characteristics and its size in optical coherence tomography. / Kim, Seung Gab; Lee, Sungchul; Seong, Youl Seok; Kim, Sun Woong; Kwon, Oh Woong.

In: Yonsei Medical Journal, Vol. 44, No. 5, 30.10.2003, p. 821-827.

Research output: Contribution to journalArticle

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