phyllodes tumor


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phyl·lodes tu·mor

a spectrum of neoplasms consisting of a mixture of benign epithelium and stroma with variable cellularity and cytologic abnormalities, ranging from benign phyllodes tumor to cytosarcoma phyllodes; most often involves the breast.
References in periodicals archive ?
Successful therapy of a malignant phyllodes tumor of the prostate after postoperative local failure.
Chemotherapy induced complete remission in malignant phyllodes tumor of the prostate metastasizing to the lung.
Case report: Malignant phyllodes tumor of prostate.
An immunohistochemical study of metaplastic spindle cell carcinoma, phyllodes tumor and fibromatosis of the breast.
Recent developments in the histological diagnosis of spindle cell carcinomas, fibromatosis and phyllodes tumor of the breast.
In particular, the distinction between metaplastic carcinoma with spindle areas from fibromatosis and phyllodes tumors, especially when cytokeratin stains are negative, may not be possible in core biopsies and needs to await resection of the tumor.
9) While mandibular metastases of cystosarcoma phyllodes tumors are exceptionally rare, metastases of primary breast adenocarcinomas to the mandible are quite common.
Phyllodes tumor is characterized by marked expansion of the specialized mammary stroma, with consequent relative reduction of the epithelial component (Figure 2, A).
Phyllodes tumor can focally resemble FA, leading to diagnostic underinterpretation, particularly on evaluation of limited material, such as FNA or needle core biopsy.
8) Cases of pathologic conditions occurring in ectopic breast tissue include phyllodes tumors, (2) cystic disease, (9) fibroadenoma, (10) ductal and lobular carcinomas, (11) Paget's disease, (12) and leiomyosarcoma, (13) among others.
Mammography revealed multiple homogeneously dense well-circumscribed masses present in both breasts (Figure 1), which were compatible with giant fibroadenomata or multiple phyllodes tumors.
Three hundred forty cases (11%) were diagnosed as invasive carcinoma (317 ductal, 13 lobular), 152 (5%) as DCIS, 18 as lobular carcinoma in situ (LCIS) or atypical lobular hyperplasia, 1 as papillary carcinoma, 7 as possible phyllodes tumors, 1 as lymphoma, 216 (7.