Published online Aug 31, 2011.
https://doi.org/10.3947/ic.2011.43.4.367
A Case of Disseminated Nocardiosis by Nocardia brasiliensis after Steroid Injection
Abstract
Nocardiosis in the immunocompromised host is a rare but life-threatening infection. Nocardia farcinica and N. asteroides have been reported as the most common causative pathogens of disseminated nocardiosis. It is well known that infection of N. brasiliensis can cause cutaneous nocardiosis mainly, but is rarely known to cause disseminated nocardiosis. We report a case of disseminated nocardiosis by N. brasiliensis. A 68-year-old male subject with no underlying disease developed painful swelling on both lower legs, as well as dyspnea. He was diagnosed with intramuscular abscess, pneumonia and brain abscess by N. brasiliensis. He underwent incision and drainage for intramuscular abscess, as well as antibiotic therapy, and was successfully treated.
Figure 1
Chest CT scan shows (A) Focal consolidation in the left upper lobe (1st day of admission). (B) Nearly resoluted lesions (21 days of treatment).
Figure 2
Tibia MRI shows wall enhanced fluid collections at medial heads of both gastrocnemius muscles.
Figure 3
(A) Lung biopsy shows accumulation of amorphous periodic acid-Schiff (+) eosinophilic material in the alveolar lumina (PAS, ×100), (B) Skin biopsy shows exuberant abscess with long, slender, and filametous rods (Grocott's methenamine silver (GMS), ×400).
Figure 4
Brain MRI shows. (A) Ill-defined mass lesion with multiple rim enhancements in the right cerebellar hemisphere and both parietal lobes, (B) Lesion improved on the 90 days after start of treatment.
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