Abstract
Lamellar ichthyosis (LI) is a rare autosomal cornification disorder, with most cases due to a mutation in the transglutaminase-1 (TGM1) gene on chromosome 14. Patients with LI usually present with a collodion membrane and mild erythroderma at birth, with the collodion membranes shedding within the first weeks of life and being replaced by a generalized scale. Typically, LI is managed with oral retinoids, emollients, and keratolytic agents, eg, lactic acid. We report an LI case associated with atopic dermatitis and asthma that showed a marked improvement with dupilumab treatment. This finding is highly significant as it may represent a breakthrough in the treatment of LI, thus more research is needed to investigate the potential benefits of dupilumab for the treatment of ichthyosis, such as the effects observed in our patient.
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