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Case Report
- Exuberant Smooth Muscle Cells in Fibroadenoma of the Breast: A Case Report.
- Ga Eon Kim, Young Kim, Eun Hui Jeong, Jo Heon Kim, Min Ho Park, Ji Shin Lee
- Korean J Pathol. 2010;44(4):431-434.
- DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.4.431
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- 2 Crossref
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Abstract
PDF - Smooth muscle cell metaplasia is an extremely rare form of stromal differentiation in fibroadenomas. We describe a case of fibroadenoma with exuberant smooth muscle cells in a 72-year-old woman. The mass was located in the upper central portion of the left breast. It was well circumscribed and its greatest dimension was 3 cm. Histologically, the glandular elements resembled the appearance of fibroadenoma, but the stromal elements were composed of spindle cell bundles with abundant eosinophilic cytoplasm and elongated cigar-shaped nuclei. Neither mitotic activity nor cellular atypia was seen. The stromal cells were immunohistochemically positive for smooth muscle actin, calponin, desmin, and estrogen receptor-beta, but negative for CD34, S-100 protein, p63, CD10, estrogen receptor-alpha, progesterone receptor and cytokeratin. These results proved that the stromal cells showed features of smooth muscle cells.
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Citations
Citations to this article as recorded by
- Fibroadenomatoid Hyperplasia of the Breast with Prominent Smooth Muscle Component: An Uncommon Histopathological Encounter
Seetu Palo, Divya Donepudi, Shrinivas Bheemrao Somalwar
Journal of Mid-life Health.2025; 16(2): 226. CrossRef - Unusual Myoid Differentiation in a Canine Benign Mixed Mammary Tumour
Barbara Brunetti, Luisa Vera Muscatello, Louis J. DeTolla, Giancarlo Avallone, Isabel Pires
Case Reports in Veterinary Medicine.2021; 2021: 1. CrossRef
- Fibroadenomatoid Hyperplasia of the Breast with Prominent Smooth Muscle Component: An Uncommon Histopathological Encounter
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