"low volume of pelvic free fluid below the level S3 that was low-attenuating (mean 8.1 HU) was not associated with undiagnosed bowel or mesenteric injury in one study."
"Isolated free fluid in trauma can often present a diagnostic dilemma and options for management are based on clinical conditions; options include proceeding for diagnostic laparotomy (becoming less common) or repeat CT scan in 12-48 hours with the consideration for oral contrast 1-2."
"trace volume free fluid in females"
"trace volume free fluid in males"
"The location, volume and attenuation of free fluid can be helpful in determining its significance 1-4:"
"Isolated free fluid in trauma can often present a diagnostic dilemma and options for management are based on clinical conditions; options include proceeding for diagnostic laparotomy (becoming less common) or repeat CT scan in 12-48 hours with the consideration for oral contrast 1-2."