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Year : 2015  |  Volume : 63  |  Issue : 1  |  Page : 72-74

Bilateral optic neuropathy and intraretinal deposits after pars plana vitrectomy in amyloidosis

1 Department of Ophthalmology, University of Padua, Padua, Italy
2 Department of Medicine, University of Padua, Padua, Italy

Correspondence Address:
Rossetti Alberto
Via Giustiniani, 2, 35128 Padua
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0301-4738.151481

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Pathological examination of material from a nonextensive pars plana vitrectomy (PPV) in the right eye provided a diagnosis of nonfamilial amyloidosis in a 68-year-old woman, who presented with bilateral glass wool-like vitreous opacities. Genetic testing revealed a Tyr114Cys mutation in the transthyretin gene. Six months after PPV, perimetry showed intense constriction with a temporal island and central scotoma in the right eye. An extensive PPV was performed in the left eye. Spectral domain optical coherence tomography evidenced bilateral epimacular amyloid deposits and unreported reflective spots within the inner retina. One year later, visual acuity had decreased to 20/400 in the left eye, with mild vitreous opacity, pale cupped optic disc and inferior altitudinal field defect. Bilateral diurnal intraocular pressure, transiently increased after PPV, never exceeded 16 mmHg with medication. Our patient presented optic nerve blood supply impairment, due to amyloidosis, which caused optic atrophy. Epiretinal and intraretinal deposit detection could aid in diagnosing patients with suspected amyloidosis.

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