CTICasesPrimary pulmonary Blastomycosis presenting as lobar consolidation
Imaging findings
Chest radiograph shows a dense left lower lobe consolidation that was refractory to antibacterial therapy, confirmed as blastomycosis by positive urine antigen.
Key takeaways
Blastomycosis frequently presents as a focal lobar or segment consolidation, mimicking bacterial community-acquired pneumonia. Lack of response to antibiotics in endemic areas should prompt evaluation for fungal infection.
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