The authors report a new, non-invasive diagnostic method in the diagnosis of retinal cavernous hemangioma (RCH). A 6-year-old girl was referred for a non-clearing retinal hemorrhage of 6 months' duration. Fourier-domain optical coherence tomography (FD-OCT) showed an intraretinal lesion with cystic-like internal appearance. Optical shadowing was present, preventing establishment of any subretinal component to the lesion. Swept-source OCT (SS-OCT) showed an intraretinal lesion consisting of a group of clearly defined grape-like caverns with overlying preretinal tissue. Wide-field fundus fluorescein angiography (WF-FFA) confirmed the diagnosis of RCH. SS-OCT was superior to FD-OCT in showing the internal anatomy of the RCH and allowing for the measurement of its structures, confirming the intraretinal location of the lesion and the presence of an associated preretinal tissue. SS-OCT may assist in cases in which hemorrhage prevents an accurate diagnosis by ophthalmoscopy or angiography, thus becoming an alternative imaging method to confirm the diagnosis of RCH while avoiding the risks of fluorescein angiography in children.
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