Parenteral ferumoxytol interaction with magnetic resonance imaging: a case report, review of the literature and advisory warning

Ferumoxytol is a safe and effective parenteral therapy used for the treatment of iron deficiency anaemia that has recently been approved for use in North America and in Europe. Ferumoxytol consists of a superparamagnetic iron oxide (SPIO) core, which causes T1, T2 and T2* shortening effects, and a carbohydrate shell, which results in a prolonged intravascular half life. These properties are under-reported and not well recognised. They can...