Course and outcome of Early Lyme borreliosis in patients with hematological malignancies.

Patients with erythema migrans and underlying hematological malignancy more often had signs of disseminated Lyme borreliosis and more frequently needed antibiotic retreatment than sex-, age-, and antibiotic treatment-matched immunocompetent persons with erythema migrans. However, the outcome was excellent in both groups.