[Pseudothrombotic microangiopathy related to vitamin B(12) deficiency].

Vitamin B(12), or cobalamin, deficiency is often unrecognized because the clinical manifestations are subtle; they are also potentially serious. We report a case of pseudothrombotic microangiopathy related to cobalamin deficiency. Vitamin B(12) deficiency, which is more commonly recognized in the context of malnutrition, should be considered in the context of microangiopathy.