Namareg.E.Afadul1, Ayda Dirar Abdellatif Osman1*, Elsadig.A Hadia. Mohammed. Abdalla. Abdalrhman1,, 1MSc, Department of Histopathology & Cytology Faculty of medical laboratory sciences Al-Neelain University, Khartoum, Sudan. 2MD, Department of pathology Al-Ribat National University, Khartoum, Sudan. 3Postgraduate Coordinator, Department of Histopathology & Cytology Faculty of medical laboratory sciences Al-Neelain University, Khartoum, Sudan., Sudan