الفهرس 
Introduction and aim of the workOnly 14 pages are availabe for public view
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Abstract
Multidetectors Computed tomography (MDCT) is the modality of choice for the evaluation of blunt abdominal trauma, its high spatial resolution, 3D application and multiplanar reformations has greatly improved the ability to detect subtle findings in blunt abdominal trauma scans.
The spleen is the most frequently affected solid organ to be injured after blunt trauma. Contrast enhanced CT can accurately diagnose the four principle types of splenic injury are hematomas, lacerations, active hemorrhage and vascular injuries including pseudo aneurysm and post traumatic arterio-venous fistula.
Radiologists should be familiar with CT-based grading systems. The most widely and traditionally used CT grading system for splenic injury in trauma patients is based on the The American Association Surgery Trauma (Moore et al. 1995) scale (Grade I to Grade V). And the more recently published (Marmery et al.2007) (Grade 1, 2, 3, 4a & 4b) CT based classification system depend on contrast extravasation and vascular injury which could be treated with embolization that can improve the success rate of non-operative management and reduces the number of unnecessary splenectomy.