Diffusion-weighted magnetic resonance imaging in cervical lymphadenopathy: report of three cases of patients with Bartonella henselae infection mimicking malignant disease.

Diffusion-weighted MR imaging is a potential technique for differentiation between benign and malignant lymph nodes. However, lympadenopathy caused by Bartonella henselae infection showes low ADC values in diffusion weighted MRI as typically seen in malignant disease.