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[Adverse reaction to not iodinated contrast].

Adverse reactions to drugs are relatively frequent in clinical practice, and some of them can be life threatening. Reactions to contrast material (CM) represent an important percentage of these adverse reactions. It has been found that 70% of reactions to contrast material happen within the first five minutes of their administration. Despite the fact that hypersensitivity reactions are traditionally classified as non-allergic, in recent years investigators have reported positive skin prick tests in patients with immediate and late reactions to contrast material. This paper reports the case of a female patient with non-Hodgkin lymphoma that has presented on two distinct occasions adverse reactions to contrast material. We discuss on the type of reaction, severity, suggested prophylaxis, prognosis and recommendations, keeping in mind the underlying disease and the need to have further image studies performed.