COMPARISON OF THE POTENTIAL OF RECURRENCE AND MALIGNANCY IN MENINGIOMAS USING AGNOR COUNTING

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AHMADI A.; SAMADI N.

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Journal: Tehran University Medical Journal Year:2005 | Volume:63 | Issue:6 Page(s): 501-507

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Title

COMPARISON OF THE POTENTIAL OF RECURRENCE AND MALIGNANCY IN MENINGIOMAS USING AGNOR COUNTING

Author(s)

AHMADI A. | SAMADI N. | Issue Writer Certificate

Keywords

MENINGIOMAA ARGYROPHILIC NUCLEOLAR ORGANIZER REGIONSQ4

AGNORQ4

Abstract

Background: The number of argyrophilic Nucleolar Organizer Regions (AgNOR) correlate with cellular proliferative activity. This study compares the potential of recurrence and malignancy in meningiomas using AGNOR counting. Materials and methods: All of the meningiomas cases operated in Sina hospital during 1997-2002 were reviewed and their grading determined using both WHO and Mahmood systems. 81 cases selected as below:14 benign non-recurrent meningiomas (until March 2004); 14 primary benign recurrent meningiomas and their subsequent benign recurrences; 14 atypical; 11 malignant and 14 spinal meningiomas. Silverstained slides were prepared and mean, median and standard deviation of AGNOR dots determined.Results: There was a proportionate increase of AGNOR dots with increasing tumor grade. There was a significant difference between benign non-recurrent turners with benign recurrent (p<0.0001) and atypical or malignant (p<0.0001) tumors. No significant difference was seen between recurrent and atypical; atypical and malignant; intracranial and intraspinal; and primary of recurring meningiomas with their subsequent recurrences: Mean AGNOR counts of <2.3 could separate benign tumors from atypical or malignant meningiomas with 93% specificity; and 93% of tumors with benign histology had no recurrence potential if their mean AGNOR count was less than 1.8. Condusion: This study indicates that in meningioma the AGNOR count has a good correlation with turnor grading and recurrence, which may aid pathologists and clinicians in predicting the tumor behavior.

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APA: Copy

AHMADI, A., & SAMADI, N.. (2005). COMPARISON OF THE POTENTIAL OF RECURRENCE AND MALIGNANCY IN MENINGIOMAS USING AGNOR COUNTING. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 63(6), 501-507. SID. https://sid.ir/paper/39023/en

Vancouver: Copy

AHMADI A., SAMADI N.. COMPARISON OF THE POTENTIAL OF RECURRENCE AND MALIGNANCY IN MENINGIOMAS USING AGNOR COUNTING. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2005;63(6):501-507. Available from: https://sid.ir/paper/39023/en

IEEE: Copy

A. AHMADI, and N. SAMADI, “COMPARISON OF THE POTENTIAL OF RECURRENCE AND MALIGNANCY IN MENINGIOMAS USING AGNOR COUNTING,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 63, no. 6, pp. 501–507, 2005, [Online]. Available: https://sid.ir/paper/39023/en

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