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Clinicopathological characteristics and the differences analysis of expression of PR, ER and AR in different grades of meningiomas |
GAO Ping1 XIANG Qingming2 YANG Yi1 ZONG Yangru1 |
1.Department of Pathology, Hubei Provincial Hospital of Integrated Chinese & Western Medicine, Hubei Province, Wuhan 430015, China;
2.Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Hubei Province, Wuhan 430071, China |
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Abstract Objective To study the clinicopathological characteristics of meningiomas (IM) and the expression differences of estrogen receptor (ER), progesterone receptor (PR), and androgen receptor (AR) in different grades of IM. Methods A retrospective study was conducted on 123 cases of IM treated in Hubei Provincial Hospital of Integrated Chinese & Western Medicine from May 2014 to November 2020. According to the different location, age, gender, tumor size, and invasion of IM, the tumor was re-classified and re-graded according to World Health Organization standards. The characteristics of recurrent cases were observed and the proliferation marker Ki67 was quantitatively analyzed. Immunohistochemical staining of ER, PR and AR was evaluated in some randomly selected cases. Results The proliferation index (PI) of Ki67 was highly positively correlated with grades of IM (r = 0.808, P < 0.01), tumor size was slightly positively correlated with grades of IM (r = 0.257, P < 0.01). The PI of grade Ⅱ IM was higher than that of grade Ⅰ with active cell growth, grade Ⅰ with active cell growth was higher than that of grade Ⅰ. The tumor size of grade Ⅱ IM was higher than that of grade Ⅰ, and there were statistically significant (P < 0.05). The percentage of females was 79.7% (98 cases) was significantly higher than that of males 20.3% (25 cases). The positive rate of PR was 93.0% (53/57), the positive rate of AR was 63.3% (19/30), and no positive signal of ER was detected. There were no statistical differences in age distribution, location, invasion and histological types of patients with different grades (P > 0.05). Conclusion PR may play an important role in the occurrence and development of IM. Some sex hormone drugs may affect the growth of the tumor. Individualized management is recommended. Relapsed cases have a tendency to increase tumor grades and PI. The combined analysis of PI, tumor size and histological morphology is helpful to comprehensively evaluate the biological behavior of IM.
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