Definition
Metaplastic carcinomas represent a morphologically heterogeneous group of invasive breast cancers in which a variable proportion of the tumor shows squamous and/or mesenchymal differentiation featuring, for instance, spindle, chondroid, osseous, or rhabdoid cells (Lakhani et al. 2012).
Clinical Features
Incidence: Metaplastic carcinomas represent an uncommon histologic type of breast cancer accounting for 0.2–5% of all breast carcinomas (Lakhani et al. 2012).
Age: Although the range of age at presentation is similar to that of invasive carcinomas of no special type (IC-NST), two studies have reported an older mean age at presentation in metaplastic carcinomas compared to that of patients affected by IC-NSTs (Lai et al. 2013; Pezzi et al. 2007).
Sex: Most of the cases have been described in female patients; however there are...
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References and Further Reading
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Marchiò, C., Chartier, S., Bataillon, G., Vincent-Salomon, A. (2019). Invasive Metaplastic Carcinoma. In: van Krieken, J. (eds) Encyclopedia of Pathology. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-28845-1_4717-2
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DOI: https://doi.org/10.1007/978-3-319-28845-1_4717-2
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Invasive Metaplastic Carcinoma- Published:
- 26 November 2018
DOI: https://doi.org/10.1007/978-3-319-28845-1_4717-2
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Invasive Metaplastic Carcinoma- Published:
- 22 March 2018
DOI: https://doi.org/10.1007/978-3-319-28845-1_4717-1