A Case of Metaplastic Squamous Cell Carcinoma of the Breast that Showed a Pathological Complete Response After Neoadjuvant Chemotherapy with Weekly Paclitaxel

Aya Noro; Makoto Ishitobi; Noriko Hanamura; Yumi Kashikura; Masako Yamashita; Yuji Kozuka; Kanako Saito; Toshiro Mizuno; Tomoko Ogawa

doi:10.12659/AJCR.935035

12 January 2022 : Case report Japan

A Case of Metaplastic Squamous Cell Carcinoma of the Breast that Showed a Pathological Complete Response After Neoadjuvant Chemotherapy with Weekly Paclitaxel

Unusual or unexpected effect of treatment

Aya Noro^12BEF*, Makoto Ishitobi

^2EF, Noriko Hanamura^3BE, Yumi Kashikura^4B, Masako Yamashita^1B, Yuji Kozuka^5DE, Kanako Saito^6B, Toshiro Mizuno^7B, Tomoko Ogawa^2BE

DOI: 10.12659/AJCR.935035

Am J Case Rep 2022; 23:e935035

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Figure 3. (A) Ultrasonography performed before the administration of weekly paclitaxel revealed a hypoechoic lesion with cystic components, measuring 7.7 cm. (B) Ultrasonography performed after chemotherapy showed that the size of the tumor was significantly decreased to 1.9 cm.

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A Case of Metaplastic Squamous Cell Carcinoma of the Breast that Showed a Pathological Complete Response After Neoadjuvant Chemotherapy with Weekly Paclitaxel

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