phyllodes tumor/prógaistéarón

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AiltTrialacha cliniciúlaPaitinní

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Antigenic profile of mammary fibroadenoma and cystosarcoma phyllodes. A study using antibodies to estrogen- and progesterone receptors and to a panel of cell surface molecules.

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Logáil Isteach / Cláraigh

Using serial frozen sections, monoclonal antibodies and an indirect immunoperoxidase method, 13 fibroadenomas (FA) and 3 cystosarcomas phyllodes (CSP) were analyzed for the expression of Egp34, HEA319-antigen, leucocyte differentiation antigens CD10, CD30, CD57, CD72, CDw75, and CD77, epidermal

Most cystosarcoma phyllodes and fibroadenomas have progesterone receptor but lack estrogen receptor: stromal localization of progesterone receptor.

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Logáil Isteach / Cláraigh

Biochemical study of fibroepithelial tumors of the female breast showed presence of progesterone receptor (PgR) in all five cystosarcoma phyllodes (two malignant, three benign), and in 11 of 13 fibroadenomas tested. Estrogen receptor (ER) was detected in only one of five cystosarcomas and 2 of 13

Progesterone receptor in cystosarcoma phyllodes.

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Logáil Isteach / Cláraigh

A specific receptor for progesterone has been found in a cystosarcoma phyllodes, as determined by charcoal adsorption and sucrose gradient analysis. Similar assays for estrogen receptors were negative. The tumor consisted almost entirely of stroma that contained the progesterone receptors. The

Hormone receptors expression in phyllodes tumors of the breast.

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Logáil Isteach / Cláraigh

OBJECTIVE To ascertain the hormonal receptor profiles of the epithelial and stromal components of phyllodes tumors (PTs) and determine their relationship with stromal proliferation. METHODS Eighty-two PTs (50 benign, 22 borderline, and 10 malignant) were studied. Automated immunohistochemical

Importance of P53, Ki-67 expression in the differential diagnosis of benign/malignant phyllodes tumors of the breast.

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Logáil Isteach / Cláraigh

BACKGROUND Conventionally growth pattern, stromal overgrowth, stromal cellularity and stromal mitotic activity are the main parameters in the grading of phyllodes tumors (PTs). Recent studies revealed that both p53 and Ki-67 expressions are correlated with grade of PTs of the breast. Expression of

Phyllodes tumor of the vulva: Report of a rare case and review of the literature.

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Logáil Isteach / Cláraigh

Phyllodes tumor occurring in the vulva is extremely rare; only 6 cases have been previously reported in the literature. The histogenetic origin of this tumor is controversial as it is being debated whether such lesions evolve from ectopic breast tissue, cutaneous apocrine glands, and most recently,

Cystic benign phyllodes tumor in the inguinal region.

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Logáil Isteach / Cláraigh

The present lesion was the first reported case of a benign intracystic phyllodes tumor in the inguinal region. We report the case of a 51-year-old female patient who presented with an inguinal mass. A clinical diagnosis of malignant lymphoma was considered in this case. The resected tumor was

Phyllodes tumor of vulva: a brief diagnostic review.

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Logáil Isteach / Cláraigh

Phyllodes tumors of the vulva are rare proliferations that share morphologic similarities with breast neoplasms. Their histogenetic origin is elusive and may be associated with specialized mammary-like glands of the vulva. Because of their rarity, the clinical and pathologic features,

A case of malignant phyllodes tumor of the breast with osteosarcomatous features.

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Logáil Isteach / Cláraigh

A 64-year postmenopausal woman had noticed a left breast lump 5 months before presentation and was admitted due to increasing tumor size. Physical examination showed a well demarcated, movable mass 5 cm in diameter in the upper outer quadrant of the left breast. The lesion was not painful. She had

Cystosarcoma phylloides. A steroid receptor and ultrastructure analysis.

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Logáil Isteach / Cláraigh

Six cases of cystosarcoma phylloides were evaluated by ultrastructure and steroid receptor analysis. Electron microscopy of the lesions supported previous reports of a heterogeneous tumor consisting of pleomorphic mesenchyme and normal or proliferative epithelium. In each case estrogen and

Estrogen and progesterone receptors in benign breast tumors and lesions: relationship with histological and cytological features.

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Logáil Isteach / Cláraigh

The pattern of estrogen (ER) and progesterone receptors (PR) and their relationship to histo- and cyto-pathological parameters has been studied in 97 cases of benign breast disease and benign phyllode tumors (95 women, of whom 76 were premenopausal, and 2 men). Total (cytosolic + nuclear) ER and PR

Expression of human telomerase reverse transcriptase gene and protein, and of estrogen and progesterone receptors, in breast tumors: preliminary data from neo-adjuvant chemotherapy.

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Logáil Isteach / Cláraigh

Human telomerase reverse transcriptase (hTERT), the catalytic subunit of telomerase, is very closely associated with telomerase activity. Telomerase has been implicated in cellular immortalization and carcinogenesis. In situ detection of hTERT will aid in determining the localization of

Phyllodes tumor of borderline malignancy: seven year follow up with immunohistochemical study.

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Logáil Isteach / Cláraigh

The patient was 80 years old when she initially presented with a left breast mass. Originally, a needle biopsy showed benign stromal and ductal cells. Five years later, the breast mass increased in size and a core needle biopsy showed a biphasic intraductal papillomatous tumor with cellular stroma.

Steroid receptors in cystosarcoma phyllodes.

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Logáil Isteach / Cláraigh

Seven cases of cystosarcoma phyllodes were studied. All but one of the patients were premenopausal. Histologic appearance permitted us to classify 5 as low-grade and 2 as high-grade tumors; 40% of the low-grade tumors were estrogen-receptor-positive (ER-positive), 100% were progesterone

Intratumoral hemorrhage of mammary phyllodes tumor after menstrual induction: a puzzling presentation.

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Logáil Isteach / Cláraigh

BACKGROUND Mammary phyllodes tumor is an uncommon stromal-epithelial neoplasm with a reported incidence of 0.3% to 0.5% of female breast tumors. Sudden, rapid growth of a mammary phyllodes tumor with intratumoral hemorrhage was noted in a 45-year-old woman after menstrual induction with progesterone

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