Mammary myofibroblastoma: a tumor with a wide morphologic spectrum.

摘要: Abstract Context.—Myofibroblastoma (MFB) of the breast is an unusual benign tumor that belongs to family “benign spindle cell tumors mammary stroma.” The name MFB reflects its cellular composition, comprising mainly stromal cells with fibromyofibroblastic and, less frequently, myoid differentiation. Since original description, morphologic spectrum has been expanded by recognition several variants, such as cellular, infiltrative, epithelioid, deciduoid-like, lipomatous, collagenized/fibrous, and myxoid variants. Objective.—To review literature on MFB, discussing main clinical, radiologic, pathologic features helpful for diagnosis. may show alarming features, which can lead a misdiagnosis malignancy, histologic figures this tumor, including more are provided offer pathologists practical approach correct Histogenesis pathogenesis a...