Abstract
The clinical features, laboratory studies, and therapeutic responses of two boys with chronic bullous dermatosis of childhood are described. Direct immunofluorescent preparations of sections from a lesion, skin adjacent to a lesion, and uninvolved skin demonstrated linear deposition of IgA at the dermoepidermal junction in all three biopsy specimens from one patient. Similar preparations from the second child were negative for staining. No circulating antibodies to skin components were detected in either child by means of multiple substrates. Neither child had clinical manifestations nor laboratory findings suggestive of an associated gastrointestinal lesion; therefore, small bowel biopsies were not performed. Immunologic studies failed to demonstrate any of the abnormalities frequently described in dermatitis herpetiformis. Both boys responded dramatically to sulfapyridine therapy.
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