[Multilocular erythema migrans in borreliosis].
BACKGROUND
Borreliosis is the most common vector transmitted disease in childhood. Although the disease manifests with an erythema migrans in 80 % of the patients, multilocular skin manifestations are only observed in 2-18 % of these. Differential diagnoses of erythema migrans include erysipelas, persistent insect bite reaction, and fixed drug eruption, in particular when the clinical history does not reveal a tick bite.


METHODS
We report on a 5-year-old boy showing nine erythemas with central pallor on his face, trunk, arms and legs. He recalled a tick bite 3 weeks before.


RESULTS
Serological studies revealed an acute infection with Borrelia burgdorferi. After antibiotic treatment with orally administered amoxicillin skin manifestations resolved within three days. During a follow-up period of six months the patient revealed no signs of persistent borreliosis.


CONCLUSIONS
Multilocular erythema migrans is a possible manifestation of borreliosis and is classified as disseminated early infection which is frequently associated with systemic reactions, including malaise, arthritis, carditis, headache and even meningeal signs. Treatment is based on antibiotics, which should preferably be given intravenously in case of systemic signs.
Universitätskinderklinik der RWTH Aachen. skrischer@ukaachen.de
S
S
Krischer
H
H
Ott
M
M
Barker
J
J
Frank
S
S
Erdmann
D000818:Animals; D000907:Antibodies, Bacterial / Q000097:blood; D001733:Bites and Stings / Q000150:complications; D025065:Borrelia burgdorferi / Q000276:immunology; D002675:Child, Preschool; D003937:Diagnosis, Differential; D015787:Erythema Chronicum Migrans / Q000175:diagnosis* / Q000276:immunology; D006801:Humans; D008193:Lyme Disease / Q000175:diagnosis*; D008297:Male; D013987:Ticks
D000907:Antibodies, Bacterial