Dr. Mustafa Zuhair Mahmoud Alhassen. Assistant Professor of medical diagnostic Ultrasound Alkharj University, Alkharj, KSA and Sudan University of Science and Technology, Khartoum, Sudan ? Bachelor (B.Sc) of Science (Honors') in Radiodiagnostic Technology, SUST (Sudan University of Science and Technology, Sudan)– College of Medical Radiologic Sciences. ? Master (M.Sc) Degree in Medical Diagnostic Ultrasound, AAU (Al Zaeim Alazhari University, Sudan)- Faculty of Medicine in collaboration with Jefferson Ultrasound Research and Educational Institute, Philadelphia- USA. ? Doctorate (Ph.D) of Philosophy Degree in Medical Diagnostic Ultrasound, L.U.De.S University, Swiss. ? Doctorate (Ph.D) of Philosophy Degree in Medical Diagnostic Ultrasound, SUST (Sudan University of Science and Technology), Sudan.