Ornithine transcarbamylase deficiency presenting with acute reversible cortical blindness.

Abstract:

:Acute focal neurologic deficits are a rare but known presentation of ornithine transcarbamylase deficiency, particularly in females. We describe here a 6-year-old girl with newly diagnosed ornithine transcarbamylase deficiency who presents with an episode of acute cortical blindness lasting for 72 hours in the absence of hyperammonemia. Her symptoms were associated with a subcortical low-intensity lesion with overlying cortical hyperintensity on fluid-attenuated inversion recovery magnetic resonance imaging (MRI) of the occipital lobes. Acute reversible vision loss with these MRI findings is an unusual finding in patients with ornithine transcarbamylase deficiency. Our findings suggest a role for oxidative stress and aberrant glutamine metabolism in the acute clinical features of ornithine transcarbamylase deficiency even in the absence of hyperammonemia.

journal_name

J Child Neurol

authors

Prasun P,Altinok D,Misra VK

doi

10.1177/0883073814535490

subject

Has Abstract

pub_date

2015-05-01 00:00:00

pages

782-5

issue

6

eissn

0883-0738

issn

1708-8283

pii

0883073814535490

journal_volume

30

pub_type

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