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WHO Classification of Tumours
Inflammatory myofibroblastic tumor


Myofibroblastic tumour of the breast is a usually benign lesion characterized by differentiated myofibroblastic spindle cells and a chronic inflammatory infiltrate composed of lymphocytes, plasma cells and histiocytes. The tumour typically presents as a palpable, firm, circumscribed mass.
Mammary myofibroblastic tumour is rare, with only few reported cases. Complete surgical excision appears to be adequate in most cases

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Chetty R, Govender D (1997)
Inflammatory pseudotumor of the breast.
Pathology 29: 270-1

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Tavassoli FA, Devilee P (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Breast and Female Genital Organs.
3rd Edition
IARC Press: Lyon 2003