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Fig. 1 | BMC Surgery

Fig. 1

From: Sonographic and pathological features of metaplastic squamous cell carcinoma of the breast: a case series

Fig. 1

Adenosquamous carcinoma of MSCC. (Proportion of squamous cell carcinoma and invasive ductal carcinoma were 70% and 30%, respectively). A Two-dimensional ultrasonography (US) revealed a mixed echoic mass with an irregular shape (small cystic areas, and posterior enhancement. B Color Doppler ultrasound showed increased color flow signals in the solid part of the mass. C Spectral Doppler ultrasound showed a high resistive index in the feeding artery. D Histopathological examination revealed squamous epithelial differentiation and keratinization in the center of the tumor (hematoxylin–eosin, × 200)

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