Post‐Treatment Movement Disorder in a Child with Late‐onset Cobalamin Deficiency.

Discussion This is the first report of a post-treatment hyperkinetic movement disorder, in late onset inherited cobalamin deficiencies. Keywords: cobalamin C; movement disorder; late onset cobalamin disorders; photosensitivity; post-treatment movement disorder EN cobalamin C movement disorder late onset cobalamin disorders photosensitivity post-treatment movement disorder 245 248 4 02/07/22 20220201 NES 220201 New onset movement disorders have been reported following treatment for B12 deficiency but not in late onset cobalamin disorders. Movement disorder, late onset cobalamin disorders, photosensitivity, post-treatment movement disorder, cobalamin C. [Extracted from the article]