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Optical coherence tomographic findings of idiopathic polypoidal choroidal vasculopathy
T Otsuji1, K Takahashi, I Fukushima
1Department of Ophthalmology, Kansai Medical University, Moriguchi, Osaka, Japan.
Background And Objective:
To identify the histological level of abnormal vessels associated with idiopathic polypoidal choroidal vasculopathy (IPCV), we examined IPCV with Optical Coherence Tomography (OCT).
Patients And Methods:
Fourteen patients diagnosed with IPCV were examined with Indocyanine green (ICG) angiography and OCT.
Results:
ICG angiography demonstrated branching vascular networks with polypoidal dilatations at the terminals beneath the retinal pigment epithelium (RPE). OCT showed dome-like elevation of the RPE, and moderate reflex or nodular appearance were seen beneath the RPE.
Conclusion:
The abnormal vessel associated with IPCV is supposed to be choroidal neovascularization with polypoidal dilatations at the terminals between Bruch's membrane and RPE. We consider that this disease is a peculiar form of age-related macular degeneration.