We studied 98 meningiomas including 89 benign, 5 atypical, and 4 anaplastic tumors to determine the immunohistochemical expression of estrogen and progesterone receptors and its prognostic value in comparison to histological grade, Mib-1 and p53. Estrogen and progesterone receptor positivity was observed in 63% and 5% of the cases, respectively. In 79% of meningiomas were constantly negative for PgR, ER, and highly positive for Mib-1; 75% were positive for p53. A statistical correlation was demonstrated between p53 protein and Mib-1. Specifically the p53-negative meningiomas were frequently negative for Mib-1 (p = 0.002); conversely the lesions strongly positive for Mib-1 were p53-positive (p = 0.001). © Springer-Verlag 2002.

Estrogen and progesterone receptors in meningiomas: immunohistochemical (Mib-1, p53) and clinico-morphological correlations / Taddei G.L.; Caldarella A.; Raspollini M.R.; Taddei A.; Buccoliero AM.. - In: PATHOLOGICA. - ISSN 1591-951X. - STAMPA. - 94:(2002), pp. 10-15.

Estrogen and progesterone receptors in meningiomas: immunohistochemical (Mib-1, p53) and clinico-morphological correlations.

TADDEI, GIAN LUIGI;CALDARELLA, ADELE;TADDEI, ANTONIO;
2002

Abstract

We studied 98 meningiomas including 89 benign, 5 atypical, and 4 anaplastic tumors to determine the immunohistochemical expression of estrogen and progesterone receptors and its prognostic value in comparison to histological grade, Mib-1 and p53. Estrogen and progesterone receptor positivity was observed in 63% and 5% of the cases, respectively. In 79% of meningiomas were constantly negative for PgR, ER, and highly positive for Mib-1; 75% were positive for p53. A statistical correlation was demonstrated between p53 protein and Mib-1. Specifically the p53-negative meningiomas were frequently negative for Mib-1 (p = 0.002); conversely the lesions strongly positive for Mib-1 were p53-positive (p = 0.001). © Springer-Verlag 2002.
2002
94
10
15
Taddei G.L.; Caldarella A.; Raspollini M.R.; Taddei A.; Buccoliero AM.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/336683
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