Malan syndrome: Extension of genotype and phenotype spectrum

Malan syndrome and Marshall–Smith syndrome (MSS) are allelic disorders caused by mutation in NFIX gene. We report a 3‐year‐ 6 months‐ old female with clinical features suggestive of Malan syndrome with mutation in exon 2 of NFIX gene. NFIX gene, where most of the mutations in Malan syndrome are located. She did not have advanced bone age. The radiographs of long bones showed metaphyseal changes which were not reported previously. This study reports the first mutation proven case from India and highlights the overlap between MSS and Malan syndrome.

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