This section contains a mishmash of radiologic maxims that are venerable, but nevertheless true and constantly useful.
Old films are worth an extra year of residency training.
An old film can have a huge impact on a patient's care. It can either save a patient a biopsy or mandate one. Don't overlook this simple step to optimal patient care. Unless postage goes through the ceiling, an old imaging study will always be cheaper than a new one. A prior film from 1 year ago shows that the callus is a new finding since last year.