Table 4.

Grading computed tomography of gastric blunt traumatic injuries

	Pathology	CT signs	Treatment
Grade 1	Gastric contusion	Gastric wall thickening No peritoneal fluid Perigastric pneumatosis	No surgery
Grade 2	Minor lacerations involving the mucosal side	High-attenuation hematoma confined to the inner side, blood in the gastric lumen Small amount of non-bloody peritoneal fluid	Follow-up
Grade 3	Partial laceration with parietal hematoma and/or stretching of the external layer	Peritoneal hematoma collection, gastric wall thickening with high-attenuation of the external side	Close follow-up/ surgery
Grade 4	Full thickness rupture Vascular involvement (necrosis or active bleeding)	Extraluminal air Luminal content extravasation Contrast material extravasation	Emergency surgery

CT: Computed tomography.