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A fibroepithelial neoplasm (or tumor) is a biphasic tumor. They consist of epithelial tissue, and stromal or mesenchymal tissue. They may be benign or malignant. [1] Examples include: Brenner tumor of the ovary; Fibroadenoma of the breast; Phyllodes tumor of the breast; Sometimes fibroepithelial polyps (FEPs) of the vulva may be misdiagnosed as ...
Fibroadenoma of the breast is a benign tumor composed of a biplastic proliferation of both stromal and epithelial components. [ 12 ] [ 13 ] This biplasia can be arranged in two growth patterns: pericanalicular (stromal proliferation around epithelial structures) and intracanalicular (stromal proliferation compressing the epithelial structures ...
Phyllodes tumors are part of a group of breast diseases called cellular fibroepithelial lesions. [8] This term incorporates a spectrum of diseases ranging from a benign fibroadenoma to a malignant phyllodes tumor, with numerous variants in between. [14] They are classified by ICD-O, not by MeSH. [14]
A breast tumor is an abnormal mass of tissue in the breast as a result of neoplasia. A breast neoplasm may be benign, as in fibroadenoma, or it may be malignant, in which case it is termed breast cancer. Either case commonly presents as a breast lump. Approximately 7% of breast lumps are fibroadenomas and 10% are breast cancer, the rest being ...
Pseudoangiomatous stromal hyperplasia (PASH) is an overgrowth of myofibroblastic cells in the breast. It has an appearance similar to fibroadenomatoid changes. [1] The diagnostic significance is currently uncertain, but it appears to be benign. There have been cases of PASH diagnosed where the tumors co-exist with breast cancer.
Fibrocystic breast changes is a condition of the breasts where there may be pain, breast cysts, and breast masses. [1] The breasts may be described as "lumpy" or "doughy". [ 3 ] Symptoms may worsen during certain parts of the menstrual cycle due to hormonal stimulation. [ 1 ]
Atypical ductal hyperplasia (ADH) is the term used for a benign lesion of the breast that indicates an increased risk of breast cancer. [1]The name of the entity is descriptive of the lesion; ADH is characterized by cellular proliferation (hyperplasia) within one or two breast ducts and (histomorphologic) architectural abnormalities, i.e. the cells are arranged in an abnormal or atypical way ...
The majority of breast diseases either originate from lactiferous ducts or are closely related. The high susceptibility to benign and malignant diseases is in part a consequence of the cycling hormonal growth stimulation resulting in a high cell turnover and accumulation of defects and complicated hormonal equilibrium which is highly sensitive ...