Neuroborreliosis Imitating Brain Tumour in Children and Vice Versa

Tick-borne neuroinfections are rare among children with oncologic diagnosis. Nevertheless, the diagnostic procedure may be more complicated due to suspicion of the relapse of the primary illness. Despite typical symptoms of neuroborreliosis, including tick bite and early localized borreliosis - erythema migrans, tumours of central nervous system have to be taken into account for the differential diagnosis in childhood.