References1 Raghunath M, Hennies HC, Ahvazi B et al. Self-healing collodion baby: a dynamic phenotype explained by a particular transglutaminase-1 mutation. J Invest Dermatol 2003; 120:224-8. 2 Akiyama M. Harlequin ichthyosis and other autosomal recessive congenital ichthyoses: the underlying genetic defects and pathomechanisms. J Dermatol Sci 2006; 42:83-9. 3 Huber M, Rettler I, Bernasconi K et al. Mutations of keratinocyte transglutaminase in lamellar ichthyosis. Science 1995; 267:525-8. Arg126Cys, *Arg124HisArg264Trp, Tyr265Asn, Arg264Gln, Gly291Asp

:  Cutaneous warts, commonly seen in children and the immunosuppressed are socially distressing and are often resistant to traditional treatments. Here, we report an 11‐year‐old girl with bilateral florid verrucous lesions on her hands, feet and chin, which were refractory to a number of standard treatments including cryotherapy, cantharidin preparations, topical salicylic acid, surgical debulking techniques, oral Cimetidine, and topical and intralesional Cidofovir. As the disfiguring lesions had a marked adverse effect on her quality of life, a trial of IV Cidofovir was instituted. We administered five cycles of IV Cidofovir with a 1‐week interval between the first and second treatment, followed by 2‐week intervals thereafter. This regime was well tolerated and we report dramatic resolution of the lesions with persistent clearance 6 months after completion of the fifth infusion. Resolution of recalcitrant warts with IV Cidofovir has been reported in a limited number of cases. Our experience supports its efficacy in this setting, and to the best of our knowledge this is the first report of successful treatment of cutaneous warts with IV Cidofovir in a pediatric case.

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