Lecture 28:Imaging the intestine Flashcards
Can’t tell bowel wall thickness without __
contrast medium present
define ileus
failure of movement
what is functional ileus
problem with motility due to any cause
what is mechanical ileus
problem with motility due to obstruction
what should diameter of cat SI be, and what does it likely be if larger
<13mm—> if larger likely obstruction
Diameter of dog small intestine should be < size of __
colon
what are some signs of linear FB
- Plication
- Crescent shaped gas
what is indicated by 1 and 2 and what is likely cause
- Crescent shaped gas bubbles
- Plication
Cause: linear FB
describe what sign you are seeing from contrast medium and what does it usually occur with
Flocculation (foamy)
Occurs with hemorrhage or mucous
what contrast sign does this show and what is it a sign of
fimbriation
Sign of inflammation
what this
thumbprinting
what are some causes of thumbprinting
- Inflammation/ infiltration
- Lymphoplasmacytic enteritis
- Parvovirus
- Lymphoma
- Eosinophilic infiltration
what likely caused this
linear FB- plication and crescent gas bubbles
what wrong and masses could have caused
partial obstruction (annular obstruction)
Lymphoma or adenocarcinoma
what wrong
Intraluminal obstruction
horse SI should be <__mm thick
5mm
horse SI >__cm in diameter = obstruction
5
normal or abnormal colon
normal
normal or abnormal colon
abnormal- stricture
when doing negative contrast on colon can inject __intoncolon
room air
what is risk of negative contrast in colon
air embolism
do not perform negative contrast on colon if suspect
colitis
what wrong
Distended loop of bowel
If you suspect mechanical obstruction what is next step
surgery
