PMC5370480_01
(a) A fundus examination revealed a yellowish dome-shaped choroidal tumor. (b) Early phase of the fluorescein (left) and indocyanine (right) angiography. (c) Late phase of the fluorescein (left) and indocyanine (right) angiography. The findings of angiographies revealed the pooling of the dye into the tumor. (d) The OCT finding of exudative retinal detachment surround the tumor.
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A fundus examination revealed a yellowish dome-shaped choroidal tumor of approximately 4-disc diameters in size located to the temporal side of the macula with exudative retinal detachment OS (Figures 1(a) and 1(d)). Fluorescein and indocyanine angiography revealed the pooling of the dye into the tumor (Figures 1(b) and 1(c)).
The tumor was depicted as high intensity on both T1-weighted (a) and gadolinium enhanced (c) MRI, low intensity on STIR MRI (b), and high density lesion on CT (d). The B-scan ultrasonography showed high internal reflectivity and acoustic shadowing (e) (arrow heads).
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T1-weighted (Figure 2(a)) and gadolinium enhanced (Figure 2(c)) magnetic resonance images (MRI), and low intensity on short-T1 inversion recovery (STIR) MRI (Figure 2(b)), with maximal dimensions of 5.3 x 5.7 x 6.0 mm. The tumor was depicted as high density lesion on CT (Figure 2(d)). B-scan ultrasonography showed high internal reflectivity and acoustic shadowing (Figure 2(e)).
A fundus examination 10 months after the primary operation revealed bare sclera at the temporal side of the macula where the tumor was located.
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Choroidal osteoma is not relapsed (Figure 3).