Abstract
Syndromic congenital ichthyoses (CI) are genetically determined disorders of cornification that are characterized by generalized scaling along with systemic symptoms. Data on congenital syndromic ichthyosis from developing countries are scarce. We aimed to assess the prevalence, phenotype-genotype correlation, and management of syndromic CI patients presenting to our outpatient during the specified period this was a retrospective study of congenital syndromic ichthyosis patients attending a dermatology clinic in a tertiary care center from 2105-2018. We reviewed epidemiological and comorbidities data, phenotype-genotype correlations, and treatments of syndromic congenital ichthyosis patients. Six patients of Syndromic CI were diagnosedamongst 86 patients of CI (8.1%). Amongst these, three patients of Sjogren-Larrson syndrome (SLS), two patients of Netherton syndrome (NS), and one of Chanarin-Dorfman disease (CDD) were reported. Next-generation sequencing (NGS) was performed with novel variants reported in one patient each of SLS, NS, and CDD. An atypical phenotype was observed in a patient with NS with associated growth hormone and adrenocorticotropic hormone deficiency but with favorable clinical response to intravenous immunoglobulin. Our reports point towards the unreported pool of genetic mutations in CI from India. Novel mutations were associated with variable cutaneous and systemic involvement.
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