CASE HISTORY – February 2020

Tilted optic disc syndrome as the cause of bitemporal hemianopia

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Abstract

A 32-year-old female patient with partial bitemporal hemianopia was referred to a neuroophthalmologist to exclude  brain tumor. The suspicion of  serious diagnosis had caused significant anxiety in the patient. Ophthalmoscopic examination revealed tilted optic discs, inferonasal chorioretinal atrophy and situs inversus of the retinal vessels, i.e. the findings consistent with tilted disc syndrome. Although this developmental malformation is known to be associated with bitemporal hemianopia, further investigations for excluding intracranial tumor were indicated. The patient was scanned by the magnetic resonance imaging. Although the brain tissue was without remarkable finding, asphericity and protrusion of the nasal posterior part of the bulbi were detected. Tilted disc syndrome is a developmental malformation of the ocular fundi that can be associated with bitemporal hemianopia.