Fig. 4

A 38-year-old female patient complained of floaters OU. Color fundus photograph shows three white retinal infiltrates, inferior to the optic disc (a). Spectral-domain OCT image section passing through the largest lesion reveals a focal area of retinal thickening with hyperreflectivity extending from the retinal nerve fiber layer to the outer nuclear layer (white arrow), sparing of the retinal pigment epithelium and a mild posterior shadowing (b). Laboratory testing was positive for murine typhus (Rickettsia typhi infection)