Mesenchymal breast lesions encompass a variety of breast diseases. Many of these lesions are rare with only a few case reports in the literature. This article reviews the imaging findings of selected mesenchymal breast lesions, their clinical presentations and method of diagnosis. Mesenchymal lesions are diverse and include haemangioma, granular cell tumour, myofibroblastoma, fibromatosis, pseudoangiomatous stromal hyperplasia, and malignant fibrous histiocytoma. It is important for radiologists to be aware of these lesions as some of them may have malignant potential or demonstrate imaging features that overlap with other malignant lesions.
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Department of Chemistry and Biochemistry, Baylor University, 101 Bagby Ave., Waco, TX 76798, United States. Electronic address:
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