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:: Volume 21, Issue 3 (Autumn (Special Issue) 2003) ::
J Dent Sch GYEAR__, 21(3): 63-66 Back to browse issues page
Nucleolar Organizer Regions (NORs) in melanotic lesions
Mohammad Moshref Dr., Behnam Eslami Corresponding Author: Dr. * , Kaveh Alavi Dr., Abolfazl Masteri Farahani Dr., Mahmoud Shahrokhi Dr.
Assistant Prof.
Abstract:   (9438 Views)

Background & Aim: we conducted an investigation to determine whether Argyrophilic Organizer Region (AgNOR) count might be valuable in differentiation of melanotic lesions.

Methiods & Materials: Fifty cases of five melatonic lesions (10 of each) including Intradermal nevus, Junctional nevus, Dysplastic nevus, Melanoma in the horizontal growth phase anf Melanoma in vertical growth phase were evaluated. Each sample was stained with silver nitrate solution and then AgNORs were counted under the light microscope with a magnification of 1000x.

Results: Using one way ANOVA statistical test showed that the number of AgNORs in the five groups was significantly different (P<0.0001).

Conclusion: AgNOR count can be used to distinguish various melanotic lesions from each other. 

Keywords: AgNOR, NOR, Melanotic lesions
Type of Study: Original Article | Subject: Special
Received: 2010/12/28
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Moshref M, Eslami B, Alavi K, Masteri Farahani A, Shahrokhi M. Nucleolar Organizer Regions (NORs) in melanotic lesions. J Dent Sch. 2003; 21 (3) :63-66
URL: http://jds.sbmu.ac.ir/article-1-862-en.html

Volume 21, Issue 3 (Autumn (Special Issue) 2003) Back to browse issues page
مجله دانشکده دندانپزشکی دانشگاه علوم پزشکی شهید بهشتی Shahid Beheshti University Dental Journal
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