Virtual colonoscopy in routine practice?

Case scenario

I recently saw a patient with a worrying change in bowel habit. She was very reluctant to have a colonoscopy because a relative had suffered a perforation during a diagnostic procedure, so we compromised and she underwent a virtual colonoscopy. However, the ensuing report said that the procedure was done on the understanding that pathology could not be entirely excluded. Is virtual colonoscopy a reasonable option? Did I waste my patient’s time and money?