Brief Report: Childhood Disintegrative Disorder as a Likely Manifestation of Vitamin B12 Deficiency
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- Malhotra, S., Subodh, B.N., Parakh, P. et al. J Autism Dev Disord (2013) 43: 2207. doi:10.1007/s10803-013-1762-6
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Childhood disintegrative disorder is a rare disorder, characterized by regression of acquired skills after a period of normal development. The case of childhood disintegrative disorder presented here was found to have vitamin B12 deficiency and hyperhomocysteinemia on extensive evaluation to find a probable cause for regression. This case illustrates the need for a thorough evaluation of all cases of childhood disintegrative disorder so that treatable causes of regression, like vitamin B12 deficiency, are not missed.