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. 2021 May 24;11(6):939. doi: 10.3390/diagnostics11060939

Figure 3.

Figure 3

Indocyanine green angiography (ICGA) patterns in non-infectious choroiditis. Two main patterns have been identified in choroiditis. Pattern 1 is seen in inflammatory choriocapillaris non-perfusion (A). Pattern 2 is found in stromal inflammation when foci develop and impair the diffusion of the ICG-protein complex shedding from the fenestrate choriocapillaris (B). The ICG-protein complex is shown in the insert, which is much larger than the fluorescein molecule with a slow wash-out from the choroid.