CTICasesDisseminated BCG-osis
Imaging findings
Chest CT in a patient with a history of bladder cancer treated with intravesical BCG therapy shows diffuse, innumerable miliary pulmonary nodules in a random distribution, associated with bladder catheterization trauma.
Key takeaways
Intravesical BCG therapy is used for superficial bladder cancer. Traumatic bladder catheterization can lead to hematogenous dissemination of the attenuated Mycobacterium bovis strain, presenting as systemic sepsis and diffuse miliary nodules (BCG-osis).
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