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Medical imaging may suggest but cannot prove that a tumor is MFB. Mammography, computed tomography scans, and magnetic resonance imaging of mammary [1] [12] and extramammary [1] [13] MFB typically show well-defined and well-circumscribed tumors which in almost all cases have no calcifications; these results suggest that the tumor is not malignant but do not indicate which type it might be.
Mammary-type myofibroblastoma [14] Myofibrobastoma, also termed myofibroblastoma of soft tissues, is a mammary-type myofibroblastoma that occurs in non-mammary tissues [15] and may be as much as 10-fold more common than the mammary type. [14] Calcifying aponeurotic fibroma, also termed aponeurotic fibroma [16]
Currently, however, inflammatory pseudotumor designates a large and heterogeneous group of soft tissue tumors that includes inflammatory myofibroblastic tumor, plasma cell granuloma, xanthomatous pseudotumor, solitary mast cell granuloma, inflammatory fibrosarcoma, [4] pseudosarcomatous myofibroblastic proliferation, myofibroblastoma ...
Low-grade myofibroblastic sarcoma (LGMS) is a subtype of the malignant sarcomas. [1] As it is currently recognized, LGMS was first described as a rare, atypical myofibroblastic tumor (i.e. a tumor consisting of cells with the microscopic features of fibroblasts and smooth muscle cells) by Mentzel et al. in 1998. [2]
Cellular angiofibroma (CAF) is a rare, benign tumor of superficial soft tissues that was first described by M. R. Nucci et al. in 1997. [1] These tumors occur predominantly in the distal parts of the female and male reproductive systems, i.e. in the vulva-vaginal and inguinal-scrotal areas, respectively, or, less commonly, in various other superficial soft tissue areas throughout the body. [2]
For breast pathology, also in distinguishing usual ductal hyperplasia (UDH) and papillary lesions (having a mosaic-like pattern) from ductal carcinoma in situ, which is usually negative. [1] Cyclin D1 and CK5/6 staining could be used in concert to distinguish between the diagnosis of papilloma (Cyclin D1 < 4.20%, CK 5/6 positive) or papillary ...
Usual ductal hyperplasia (UDH) is a benign lesion of the breast wherein cells look very similar to normal. It is a spectrum of changes that can range from minimal stratification of cells to proliferations that are just short of atypical ductal hyperplasia .
Mucinous carcinoma of the breast is a form of mucinous carcinoma and a breast cancer type. It is a rare form of breast cancer that accounts for 2% of breast carcinomas and most commonly occurs in postmenopausal women over 70 years old. [2] Rare cases of this carcinoma have been diagnosed in men (see male breast cancer). [3]