CTICasesPulmonary Coccidioidomycosis Mimicking Metastasis
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Imaging findings
A solitary, large lung lesion. A very subtle opacity was identified in the lumen of an adjacent small airway on thin cuts.
Key takeaways
In a patient with a history of testicular cancer, a solitary lung lesion prompted concern for metastasis. However, the subtle finding of adjacent airway involvement on thin CT cuts suggested an inflammatory or infectious process. The lesion was ultimately diagnosed as coccidioidomycosis with necrotizing granulomatous inflammation, highlighting the importance of meticulously evaluating the adjacent lung and airways for clues that may alter the differential diagnosis.
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