A fibroepithelial neoplasm (or tumor) is a biphasic

tumor A neoplasm () is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists ...

. They consist of

epithelial Epithelium or epithelial tissue is a thin, continuous, protective layer of cells with little extracellular matrix. An example is the epidermis, the outermost layer of the skin. Epithelial ( mesothelial) tissues line the outer surfaces of man ...

tissue, and

stromal Stromal cells, or mesenchymal stromal cells, are differentiating cells found in abundance within bone marrow but can also be seen all around the body. Stromal cells can become connective tissue cells of any organ, for example in the uterine muco ...

mesenchymal Mesenchyme () is a type of loosely organized animal embryonic connective tissue of undifferentiated cells that give rise to most tissues, such as skin, blood, or bone. The interactions between mesenchyme and epithelium help to form nearly ever ...

tissue. They may be

benign Malignancy () is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer. A ''malignant'' tumor contrasts with a non-cancerous benign tumor, ''benign'' tumor in that a malig ...

malignant Malignancy () is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer. A ''malignant'' tumor contrasts with a non-cancerous benign tumor, ''benign'' tumor in that a malig ...

.Tavassoli, F.A., Devilee, P. (Eds). 2003. World Health Organization Classification of Tumours: Pathology & Genetics: Tumours of the breast and female genital organs. IARC Press: Lyon. Examples include: *

Brenner tumor Brenner tumours are an uncommon subtype of the Surface epithelial-stromal tumor, surface epithelial-stromal tumour group of Ovarian cancer, ovarian neoplasms. The majority are benign, but some can be malignant. They are most frequently found incid ...

of the ovary *

Fibroadenoma Fibroadenomas are benign breast tumours characterized by an admixture of stromal and epithelial tissue. Breasts are made of lobules (milk producing glands) and ducts (tubes that carry the milk to the nipple). These are surrounded by glandular, ...

of the breast *

Phyllodes tumor Phyllodes tumors (from Greek language, Greek: ), are a rare type of Biphasic tumor, biphasic Fibroepithelial neoplasm, fibroepithelial mass that form from the periductal stromal and epithelial cells of the breast. They account for less than 1% of ...

of the breast Sometimes fibroepithelial polyps (FEPs) of the vulva may be misdiagnosed as cancers. However not much harm is caused because the treatment of both is excision. The consent for removal must however be completely informed.

References

External links

* - "Premalignant Fibroepithelial Tumor" Glandular and epithelial neoplasia Connective/soft tissue tumors and sarcomas {{oncology-stub