Injury
Diagram showed the intramural hematoma of the duodenum (IHD) caused obstruction and explained the finding in contrast study
Plain supine abdomen X-ray in case of intramural hematoma of the duodenum showed dilatation of stomach and duodenum

Plain upright abdominal X-ray in case of IHD showed air fluid level in the dilated stomach

Upper gastrointestinal (UGI) study showed complete obstruction at the duodenim with typical tapering due to intramural hematoma

UGI study demonstrated the obstruction at 2nd to 3rd part of duodenum with typical tapering due to intramural hematoma

UGI study demonstrated the obstruction at 2nd to 3rd part of duodenum with typical tapering due to intramural hematoma. Stacked coins appearance on the duodenal wall is also noted.
UGI study in IHD showed stacked coins appearance which is a typical finding

Operative finding of intramural hematoma of the intestine, external appearance
In a resected specimen of massive intramural hematoma, blood clot occurred in the intramural part of intestine
Subcapsular hematoma of the right lobe liver demonstrated by CT scan