Disseminated and Cerebral Infection Due to Nocardia farcinica: Diagnosis by Blood Culture and Cure with Antibiotics Alone

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Abstract
Systemic infections with Nocardia species continue to be a serious threat to immunosuppressed hosts. Diagnosis of these infections can be difficult despite their known tendency for cerebral and subcutaneous involvement. We describe a patient who presented with nonspecific constitutional symptoms and was found to have subcutaneous and cerebral abscesses due to Nocardia farcinica. In addition, a blood culture yielded the organism. The patient responded remarkably to oral therapy; resolution of the cerebral disease was observed on serial magnetic resonance images. We discuss the important clinical features of N. farcinica infection, the rarity of positive blood cultures, and the importance of susceptibility testing of Nocardia species in selecting drug therapy.

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