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Malaysian Journal of Medical Sciences
School of Medical Sciences, Universiti Sains Malaysia
ISSN: 1394-195X
Vol. 19, No. 3, 2012, pp. 74-76
Bioline Code: mj12040
Full paper language: English
Document type: Case Report
Document available free of charge

Malaysian Journal of Medical Sciences, Vol. 19, No. 3, 2012, pp. 74-76

 en Giant Myofibroblastoma of the Male Breast: A Case Report and Literature Review
Kataria , Kamal; Srivastava, Anurag; Singh, Lavleen; Suri, Vaishali & Yadav, Rajni

Abstract

Myofibroblastomas are soft-tissue neoplasms that are thought to arise from myofibroblasts. They are mostly observed in males 41–85 years of age; however, this lesion also occurs in women. The usual clinical presentation is a unilateral painless lump that is not adherent to overlying or underlying structures. Microscopically, myofibroblastomas can be divided into 5 subtypes: classical, epithelioid, collagenised, cellular, and infiltrative. Mammary ducts and lobules are absent in the typical histological subtypes and the adjacent breast parenchyma may form a pseudocapsule. The majority of myofibroblastomas are immunoreactive for CD34, desmin, smooth muscle actin, and vimentin and are negative for cytokeratin and S-100 protein. We present a case of a giant myofibroblastoma arising in the background of gynecomastia in an adult male.

Keywords
breast, gynecomastia, mesenchymal, myofibroblastoma, spindle cell

 
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Alternative site location: http://www.medic.usm.my/publication/mjms/

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