A man in his seventies with dyspnoea and ataxia after BCG instillation for bladder cancer. / Mann i 70-årene med tungpust og ataksi etter BCG-instillasjon mot blærekreft.

BCG instillation is a common procedure in Norwegian hospitals as part of the treatment of bladder cancer. We describe a patient who developed complications as a result of the procedure and a rare condition that proved difficult to diagnose.