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Article Dans Une Revue Comptes Rendus. Chimie Année : 2022

Multiscale approach to provide a better physicochemical description of women breast microcalcifications

Résumé

Despite the incidence of breast cancer among women, mammography and anatomopathology investigations are still the gold standard method for preventive screening and diagnosis. Several criteria are used to diagnose precisely the severity of the pathology like the distribution and shape of breast microcalcifications (BMCs). However, the link between the different chemical phases of BMCs and the cancer stage remains unclear. As BMCs physicochemical speciation has the potential to help clinicians during their diagnosis, this study aims to propose a methodology using advanced spectroscopical analysis techniques to finely characterize BMCs and uncover the relationship between mineralization processes and breast cancer. A state of the art in the domain is first proposed to highlight the role of BMCs and the importance of extensive analytical analysis using electron microscopy and vibrational techniques. Secondly, a detailed methodology for BMCs multiscale analysis is proposed and the relevance of each technique illustrated through the study of a biopsy from a patient suffering of an infiltrating low-grade ductal carcinoma: scanning electron microscopy analysis was used for the morphological description of BMCs, infrared micro and nanospectroscopy techniques for their chemical speciation at the micrometric and sub-micrometric scales
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Dates et versions

hal-04057290 , version 1 (06-06-2023)

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Margaux Petay, Maguy Cherfan, Elise Bouderlique, Solenn Réguer, Jérémie Mathurin, et al.. Multiscale approach to provide a better physicochemical description of women breast microcalcifications. Comptes Rendus. Chimie, 2022, 25 (S1), pp.553-576. ⟨10.5802/crchim.210⟩. ⟨hal-04057290⟩
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