Comparison of MR Enteroclysis and MRI With Per Oral Contrast Using a 6 % Mannitol Solution.

MRI of the Small Bowel. Comparison of Different Techniques and Contrast.

The purpose of this study is to compare MRI enteroclysis with MRI of the small bowel with a per oral 6%mannitol solution.Our hypothesis is that the peroral technique preform the same way as MRI Enteroclysis.

Inclusion Criteria:

• above 18 years
• known Crohns disease or strong suspicion.
• need of a small bowel examination

Exclusion Criteria:

• pregnant
• electrolyte disturbances.
• Any MRI contraindications.