Results There were adrenal hematomas in 11 cases, among them, 2 cases accompanied with renal arterial occlusion, appeared as renal arterial ruptured suddenly and "interface sign".

Objective: to study ct features of delayed contusion and laceration of the brain, by which a new conception of interface sign was introduced and to evaluate its significance in prediction.

The JAAS provides a single sign-on capability as well, through the credential interface.