CTICasesPulmonary Coccidioidomycosis
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Imaging findings
Chest radiographs and CT scans demonstrate a solid pulmonary nodule progressing over time to a characteristic thin-walled, fluid-filled cavity surrounded by smaller satellite nodules, with disseminated cases showing multiple intra-abdominal and lower lobe abscesses.
Key takeaways
Coccidioidomycosis ('Valley fever') is a fungal infection endemic to the southwestern United States and can cause a significant portion of community-acquired pneumonias in endemic regions. A classic manifestation is the development of thin-walled, chronic pulmonary cavities as acute consolidation or nodules resolve, which can occasionally become superinfected by mycetomas (aspergillomas).
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