Abstract
Breast leiomyoma is a rare and benign tumor which arises from a smooth muscle in nipple and areola or smooth muscle metaplasia of myoepithelial cells or myofibroblastic cells. Common differential diagnosis of the breast leiomyoma was as follows: fibroadenoma, myoepithelioma, phyllodes tumor, and leiomyosarcoma. We present here a rare case of solitary leiomyoma of the breast. We described a case of breast leiomyoma diagnosed in an otherwise healthy 37-year-old woman at the Rajaee Hospital. The patient presented with a palpable mass in her right breast since 2 years. Physical examination showed a mobile and smooth mass, without any axillary lymphadenopathy. The radiologic examinations revealed a well-circumscribed ovoid mass, 5 cm in diameter. Excisional biopsy disclosed a well-circumscribed cellular tumor by interlacing fascicles of spindle cells with fibrillary and eosinophilic cytoplasm. The tumoral cells were immunoreactive for smooth muscle actin. There were not any evidences of disease recurrence for 20 months of follow up. Histopathological study and immunohistochemical examinations help in the discrimination between leiomyoma and other benign and malignant breast lesions and determination of outcome.
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Rad, F.S., Zangivand, A.A. Breast leiomyoma: a case report and review of the literature. Comp Clin Pathol 23, 483–485 (2014). https://doi.org/10.1007/s00580-013-1874-6
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DOI: https://doi.org/10.1007/s00580-013-1874-6