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Abstract
The present work was carried out to evaluate the value of dermoscopy , as a non invasive technique in the diagnosis and differential diagnosis of melanocytic skin tumors from other pigmented skin lesions as well as to assess the diagnostic and prognostic roles of AGNORs and image cytometry in melanocytic tumors.
To achieve these goals, 233 cases presented with pigmented skin tumors in outpatient’s clinic, Alex Faculty of medicine. They were subjected to clinical, dermoscopic and histopathologic diagnoses. 100 cases were selected for AgNOR staining and image cytometry to include all variants of benign nevi (39 cases) , all cases of malignant melanoma (14 cases) and only 47 cases of common acquired nevi (selected according to recent change in the morphology, history of chronic sun exposure or occurrence of repeated inflammation.