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WHAT IS YOUR DIAGNOSIS? • An. Bras. Dermatol. 96 (6) • Nov-Dec 2021 • https://doi.org/10.1016/j.abd.2021.04.013   copy

Case for diagnosis. An exophytic plaque on the chest. Carcinoma of the mammary crease☆ ☆ How to cite this article: Yáñez-Díaz S, González-López MA. Case for diagnosis. An exophytic plaque on the chest. Carcinoma of the mammary crease. An Bras Dermatol. 2021;96:771-3. ,☆☆ ☆☆ Study conducted at the Dermatology Service, Hospital Universitario Marqués de Valdecilla, University of Cantabria, Cantabria, Spain.

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Abstract

Carcinoma of the mammary crease is a very rare variant of breast carcinoma, in which the skin lesions are usually the presenting sign. The authors present the case of an 88-year-old woman with an exophytic plaque in the mammary crease of approximately ten years duration. The histopathological and immunohistochemical studies confirmed the diagnosis of infiltrative breast carcinoma (carcinoma of the mammary crease variant). This case highlights the important role of the dermatologist in the early diagnosis of this rare variant of breast cancer.

KEYWORDS
Breast neoplasm; Carcinoma; skin appendage; Neoplasm metastasis

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