We report the case of a 72 year-old woman who developed acute polyradiculoneuritis 7 days after a series of 4 blood transfusion. While blood transfusion is not listed as an antedecent event of Guillain-Barré syndrome (GBS), GBS following surgical procedures is well known. In the present case the close temporal relationship and the absence of all factors which usually precede the onset of the disease including surgery, suggest a possible role of blood transfusion in the onset of the GBS.