Contrast media extravasation represents a not unusual problem in radiological practice. Incidence, patient-, and procedure-related risk factors, pathogenesis, and clinical manifestations of extravasation injuries are discussed with a review of recent literature, and a practical preventive approach is proposed. A diagnostic and therapeutic protocol, to be applied whenever contrast extravasation is detected, includes radiographic assessment of compartmentalization, antidote application, local care, and clinical follow-up; indications for surgical consultation and adverse event reporting are provided.
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