The onset of linear IgA bullous dermatosis (LABD) is generally spontaneous, but a number of cases of LABD have been reported either following drug exposure or in association with malignancies. We describe a patient who developed a vesicular eruption shortly after an irritant dermatitis caused by the contact with a detergent containing sodium hypochlorite. Direct immunofluorescence revealed linear deposits of IgA and C3 in the epidermal basement membrane. The patient's serum contained IgA that immunoblotted a 180-kD polypeptide in extracts of human keratinocytes. The patient responded promptly to therapy with dapsone. We suggest a possible pathogenetic relationship between the chemical dermatitis and LABD in this patient.
Pellicano, R., Lomuto, M., Cozzani, E., Iannantuono, M., De Simone, C., Linear IgA bullous dermatosis after contact with sodium hypochlorite, <<DERMATOLOGY>>, 1997; 194 (3): 284-286 [http://hdl.handle.net/10807/20185]
Linear IgA bullous dermatosis after contact with sodium hypochlorite
De Simone, Clara
1997
Abstract
The onset of linear IgA bullous dermatosis (LABD) is generally spontaneous, but a number of cases of LABD have been reported either following drug exposure or in association with malignancies. We describe a patient who developed a vesicular eruption shortly after an irritant dermatitis caused by the contact with a detergent containing sodium hypochlorite. Direct immunofluorescence revealed linear deposits of IgA and C3 in the epidermal basement membrane. The patient's serum contained IgA that immunoblotted a 180-kD polypeptide in extracts of human keratinocytes. The patient responded promptly to therapy with dapsone. We suggest a possible pathogenetic relationship between the chemical dermatitis and LABD in this patient.
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