title: Brief report: childhood disintegrative disorder as a likely manifestation of vitamin B12 deficiency.
abstract: 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.
authors: Department of Psychiatry, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India. savita.pgi@gmail.com
authors: Savita
authors: S
authors: Malhotra
authors: B N
authors: BN
authors: Subodh
authors: Preeti
authors: P
authors: Parakh
authors: Sanjay
authors: S
authors: Lahariya
mesh_terms: D000293:Adolescent; D002648:Child; D002659:Child Development Disorders, Pervasive / Q000188:drug therapy / Q000209:etiology*; D006801:Humans; D008297:Male; D012043:Regression, Psychology; D016896:Treatment Outcome; D014805:Vitamin B 12 / Q000627:therapeutic use*; D014806:Vitamin B 12 Deficiency / Q000150:complications* / Q000188:drug therapy
chemical_list: D014805:Vitamin B 12