Exome sequencing results in successful riboflavin treatment of a rapidly progressive neurological condition.
Genetically targeted therapies for rare Mendelian conditions are improving patient outcomes. Here, we present the case of a 20-mo-old female suffering from a rapidly progressing neurological disorder. Although diagnosed initially with a possible autoimmune condition, analysis of the child's exome resulted in a diagnosis of Brown-Vialetto-Van Laere syndrome 2 (BVVLS2). This new diagnosis led to a change in the therapy plan from steroids and precautionary chemotherapy to high-dose riboflavin. Improvements were reported quickly, including in motor strength after 1 mo. In this case, the correct diagnosis and appropriate treatment would have been unlikely in the absence of exome sequencing and careful interpretation. This experience adds to a growing list of examples that emphasize the importance of early genome-wide diagnostics.
Petrovski, S; Shashi, V; Petrou, S; Schoch, K; McSweeney, KM; Dhindsa, RS; Krueger, B; Crimian, R; Case, LE; Khalid, R; El-Dairi, MA; Jiang, Y-H; Mikati, MA; Goldstein, DB
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