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Indian J Ophthalmol. 2019 Dec;67(12):2097-2100. doi: 10.4103/ijo.IJO_919_19.

Sequential imaging of a case of choroidal osteoma using swept-source OCT and optical coherence tomography angiography: A 4-year follow-up study.

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Department of Retina, Narayana Nethralaya, Narayana Health City, Bommasandra, Bengaluru, Karnataka, India.


A 33-year-old gentleman was presented with metamorphopsia in the left eye due to choroidal osteoma (CO) complicated by choroidal neovascular membrane (CNVM). Optical coherence tomography angiography (OCTA) proved to be a valuable, noninvasive tool in monitoring treatment response of CNVM. The tumor subsequently underwent decalcification over a period of 4 years. In addition, SS-OCT scans were instrumental in documenting the natural course of the tumor and focal choroidal excavations (FCE), which were found in correspondence with tumor decalcification. Close follow-up is warranted in FCE, secondary to decalcification of CO, as CNVM has been documented to occur on the slope or bottom of eyes with FCE.


Choroidal neovascular membrane; choroidal osteoma; decalcification; focal choroidal excavation; swept-source OCT; swept-source OCTA

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