| |
Radiation Dose, mSv |
Major advantages |
Major disadvantages |
| CTE |
10-20 |
Scanning all abdominal organs
Accessible
Rapid
Relatively Inexpensive
Experienced personnel |
High dose radiation
IV contrast
High volume contrast material
Peristalsis not assessed |
| MRE |
None |
Radiation free
High quality imaging of extraintestinal complications
Multiplanar imaging capacity
Imaging of small bowel peristalsis
Good assessment of mucosal inflammation |
Not appropriate for claustrophobic and patients with metal implants
Long examination time
Expensive
Limited accessibility
High volume contrast material |
| Ultarsound |
None |
Radiation free
Highly accessible
Inexpensive
Easy performed
No patient inconvenience |
Operator dependant
Lower sensitivity and specifity compared to CTE/MRE
Low resolution in obese |
| CE |
None |
Radiation free
Most sensitive for small bowel mucosa
No patient inconvenience
|
Potential risk of capsule entrapment
Limited accessibility
Expensive
Sensitive only to small bowel mucosa
Long examination time
Not in emergency and in patients with bowel strictures |
| Small bowel follow through |
3-6 |
Accessible
Lower ionizing radiation than CTE
Inexpensive |
Lower sensitivity for mucosal lesions
than CTE/MRE
Long examination time
High volume contrast material
Not suitable for diagnosis of extraintestinal pathologies
Radiation |