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- João Pedro Azevedo, Marta Alves, Carmelita Ribeiro, and Ana Todo Bom.
- Immunoallergy, Centro Hospitalar e Universitario de Coimbra EPE, Coimbra, Portugal.
- BMJ Case Rep. 2018 May 7; 2018.
AbstractPatent blue is one of the most used dyes for the identification of sentinel lymph nodes in breast cancer. This report describes a case of an anaphylactic shock reaction to patent blue dye in a patient with cross-reactivity to methylene blue. Therefore, after allergy confirmation, the operation was repeated avoiding blue dye and an alternative labelling technique with 99mTc albumin nanocolloids was used.© BMJ Publishing Group Ltd (unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.
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