Since its beginnings in 1991, the Journal of King Abdulaziz University – Medical Sciences offers opportunities for publication of papers dealing among the significant medical matters encountered in Saudi Arabia. These reflect researches conducted in Research Centers and Centers of Excellences at King Abdulaziz University, as well as institutions and similar medical facilities in the whole Kingdom. This journal accepts articles in all fields of medicine and its medical sciences. As an outlet for the medical local and national communities in Saudi Arabia, it displays a sense of commitment and dedication to our medical community in the Kingdom. The journal can serve as an open contribution to medical education and continues to understand our recent medical problems.