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20070526Da_EL_001=_MG_1620-Medical-Skin-rash-caused-by-iodine-based-dye-CAT-Scan-Brisbane-Australia-EL+PS.jpg
Skin rash after a CT scan. The patient is allergic to shellfish, especially mussels - these concentrate iodine in their tissues, and the dye used in CT scans includes iodine-based tracers. This rash covered the whole body, lasted for 3-4 weeks before subsiding, and was intensely itchy. Onset occurred within two hours of the scan. Brisbane, Queensland, Australia.   //Eric Lindgren//