Anaphylactic shock after patent blue injection for SLNB in breast cancer

Accuracy of SLNB varies between 93 and 99%, according to published data. Best results are achieved through combined detection of SLN with radioisotope and blue dye, allthough blue dye doesn't add much to the accuracy of SLNB (95,1% with radioisotope only and 98,9% with both tracers) According to some data, allergic reactions to blue dye were more often seen with methylene blue, whereas patent blue should cause significantly less problems and serious allergic reactions should not exceed 3%. In our hospital we performed 22 SLNB procedures due to breast cancer in year 2006, after introducing this procedure in our d…