CTICasesTracheobronchial Blastomycosis
Imaging findings
Chest CT shows dense consolidation in the right lung and a left pleural effusion, with a subtle focal filling defect along the tracheal wall. Bronchoscopy demonstrated extensive, red, plaque-like mucosal lesions throughout the tracheobronchial tree, which were culture-proven to be Blastomyces dermatitidis.
Key takeaways
Blastomycosis typically presents as a pulmonary consolidation that mimics bacterial pneumonia or malignancy. It can occasionally cause extensive tracheobronchial mucosal involvement and plaques, which can be visualized on CT as nodular airway thickening or endobronchial lesions.
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