Borrelial lymphocytoma presentations of the ear

Two girls from central Switzerland presented in spring with a history of localised skin colour change and swelling of their ears. The 4-year-old girl complained of painless erythematous swelling in the earlobe (figure 1A) for 4 weeks. The 6-year-old girl also complained of painless erythematous swelling with a similar appearance at the helix (figure 1B), but for 5 months. Initially the parents noticed swelling and mild redness which then changed to a red-violaceous appearance. Both children had been participating in outdoor activities the previous late summer and autumn with exposure to ticks. Borrelia burgdorferi serology (immunoblot with multiple positive IgG surface antigen responses) was positive in both girls. Lyme-associated lymphocytoma (lymphadenosis benigna cutis) was diagnosed. Both were treated with amoxicillin (50 mg/kg/day) orally for 3 weeks. At 4-week follow-up, the swelling had disappeared, the lesion had shrunk and the colour had changed to light pink. At...
Source: Archives of Disease in Childhood - Category: Pediatrics Authors: Tags: Miscellanea Source Type: research