Courtesy of Robert H. Rosa, Jr, MD.
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Ocular Pathology/Oncology
Polypoidal choroidal vasculopathy (PCV). A, Peripapillary dilated vascular channels (arrow) between the RPE and outer aspect of Bruch membrane (arrowheads). Note the dense subretinal hemorrhage (asterisk) (PAS stain). ON = optic nerve. B, Higher-magnification view of thin-walled vascular channels (asterisks) interposed between the RPE (arrow) and Bruch membrane (arrowhead) (PAS stain). C, Hemorrhagic RPE detachments (arrows) and serosanguineous subretinal fluid (asterisk) (PAS stain).