Breast cancer is the most prevalent malignant tumor and main oncologic cause of mortality
in women. Although most diagnosis of breast pathology is accomplished using hematoxylin …

Context—Metaplastic carcinoma is a rare, triple-negative carcinoma of the breast that
exhibits transformation of part or all of its glandular carcinomatous component into a …

Metaplastic breast carcinoma (MBC) is a heterogeneous group of infrequent invasive
carcinomas that display differentiation of the neoplastic epithelium towards squamous cells …

Spindle cell lesions of the breast cover a wide spectrum of diseases ranging from reactive
tumor-like lesions to high-grade malignant tumors. The recognition of the benign spindle cell …

The diagnosis of bland-looking spindle cell lesions of the breast is often challenging
because there is a close morphological and immunohistochemical overlap among the …

Spindle cell carcinoma of the breast is a rare subtype of metaplastic carcinoma, and no
effective chemotherapy special for metaplastic carcinoma exists until now. As spindle cell …

Triple-negative breast carcinomas (TNBCs) are defined as estrogen receptor-negative,
progesterone receptor-negative, and human epidermal growth factor receptor 2-negative …

Background Dermatofibrosarcoma protuberans is a rare soft tissue malignancy that, if left
untreated, can be locally destructive and life-threatening. Dermatofibrosarcoma protuberans …

Spindle cell proliferations of the breast are a heterogeneous group of lesions ranging from
benign or reactive lesions to aggressive malignant neoplasms. Diagnosis on core biopsy …

Objective While the majority of breast neoplasms originate from epithelial cells, a rare part of
them originate from mesenchymal breast tissue. This study aims to present the …