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135 Retinal arteriovenous malformation and a cerebral cavernous malformation in a 6-year-old child

Abstract

Retinal arteriovenous malformations (AVMs) represent rare, non-hereditary vascular anomalies of the retina. The lesions are extremely rare, with no known prevalence and are exemplified through singular literature case reports.

In this case report, we discuss a 6-year-old child presenting with recurrent intermittent frontal headaches. No other positive signs or symptoms were noted on history. Past medical and family history were unremarkable. On examination, fundoscopy revealed an arteriovenous malformation in the right eye, inferior to the optic nerve head. OCT and OPTOS findings demonstrated a 3DD AVM inferior to the optic nerve head in the right eye. Left eye examination was normal. MRI Head results demonstrated a cavernous malformation in the right frontal subcortical region. MRI Orbits was unremarkable. Visual acuity was normal.

The patient’s case was discussed with a tertiary neurological centre, with no further follow-up or investigations required in view of the stable condition of the patient. This case demonstrates the importance of performing MRI Head to rule out cranial AVM in patients presenting with a retinal AVM. Moreover, the case is of significance, as to the best of our knowledge this is the first reported case of a co-existing retinal AVM and a CCM in a child.

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