Bone inside eye: choroidal osteoma presenting as exudative retinal detachment: a challenge to diagnosis

Description 

A 38-year-old woman presented to outpatient department with the chief complaints of gradual onset of painless diminution of vision in the right eye since last 1 month. At presentation, the visual acuity in OD was perception of light and 20/20 in OS. Slit-lamp examination of anterior segment was found to be within normal limits in both eyes. On fundus evaluation of right eye, exudative retinal detachment1 with shifting fluid along with oedematous disc with blurry margin and juxtapapillary subretinal yellowish brown mass were noticed (figure 1A). Fundus in the left eye was within normal limits (figure 1B). With the above clinical examination, a provisional diagnosis of right-eye choroidal osteoma with exudative retinal detachment was made and confirmed on sonography, with an elevated highly reflected choroidal mass persisting at lower scanning sensitivity and acoustic shadow along with retinal detachment (figure 2A). CT scan depicted evidence of...

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