Аннотация:Right lower quadrant includes diseases of the cecum, terminal ileum, ileocecal valve and appendix. It can be involved in a variety of different diseases such as inflammationor tumors. High resolution images obtained with MDCT can improve and speed-up the diagnostic triage in patients with RLQ pain. This report is based on review of 135 MDCT cases performed in emergency patients presented with RLQ pain.