Context Immunohistochemistry is a valuable tool in routine breast pathology, used for both
diagnostic and prognostic parameters. The diagnostic immunomarkers are the scope of this …

A variety of primary breast and metastatic lesions to the breast can present with spindle cell
cytomorphology. These lesions may range from benign reactive or inflammatory lesions to …

Aims To determine the use of p40 and laminin 332 (LN332) immunostains for diagnosing
metaplastic carcinoma by studying the expression of these and other routine markers in …

Differential diagnosis of spindle cell lesions of breast is challenging for certain reasons. The
most important reason is the presence of cytological atypia and mitosis in all three …

An 80-year-old woman presented with a palpable mass in the right breast. Mammographic
findings were consistent with calcified fibroadenoma. An ultrasound was performed that …

We present a case of low-grade endometrial stromal sarcoma (ESS) that metastasized to the
breast 25 years after the original diagnosis, with clinical, radiographic and pathologic follow …

Mammary myofibroblastoma is a benign spindle cell tumor that can show variable
morphologic patterns and lines of differentiation. Diffuse and strong immunohistochemical …

It is uncommon for extramammary tumors to metastasize to the breast, and very few cases
describing metastasis of primary uterine leiomyosarcoma to the breast have been reported …

We present a case of a 21-year-old female with a vague nontender mass in the lower inner
quadrant of the left breast discovered incidentally on chest imaging following trauma. A …

Adenomyoepithelioma is a rare biphasic tumor characterized by the proliferation of inner
glandular epithelial cells and outer myoepithelial cells. These tumors have a low-grade …