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Year : 2017  |  Volume : 12  |  Issue : 4  |  Page : 356-359

A tale of treatable infantile neuroregression and diagnostic dilemma with glutaric aciduria type I

1 Department of Neurological Sciences, Christian Medical College, Vellore, Tamil Nadu, India
2 Department of Radiodiagnosis, Christian Medical College, Vellore, Tamil Nadu, India
3 Developmental Pediatrics Christian Medical College, Vellore, Tamil Nadu, India

Correspondence Address:
Dr. Maya Thomas
Department of Neurological Sciences, Christian Medical College, Vellore - 632 004, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JPN.JPN_35_17

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Nutritional deficiencies related neurological manifestations are not uncommon in infants and children. Here, we describe an infant with Vitamin B12 deficiency due to depleted maternal Vitamin B12 status presenting with progressive encephalopathy and extrapyramidal signs. Diagnosis of infantile tremor syndrome was established in our patient based on the clinical and biochemical parameters. Magnetic resonance imaging had shown frontotemporal atrophy with widened Sylvian fissures and prominent cerebrospinal fluid spaces. Clinical and imaging findings might create a diagnostic dilemma with glutaric aciduria type I. Knowledge and identification of infantile tremor syndrome are essential, as it is a potentially treatable disorder. Our patient had significant developmental gains with Vitamin B12 treatment and infant stimulation program. Vitamin B12 deficiency must be looked for as a cause of neuroregression in children hailing from low socioeconomic status, infants of vegetarian mother, and infants with delayed or improper weaning. Screening for Vitamin B12 deficiency is essential in all infants and children with unexplained neuroregression, as this disorder is potentially treatable. More population-based studies in India are needed to explore the prevalence of Vitamin B12 deficiency in pregnant and lactating women and also to assess the need for Vitamin B12 supplementation during pregnancy and lactation.


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