Table 3 Prevalence of qualitative magnetic resonance findings according to endoscopic severity of colonic lesions
Normal mucosaNon-ulcerative lesions*Ulceration
No1304340
Oedema†0%20.9%77.5%
Ulcers†0%7.0%65.0%
Pseudopolyps†1.5%4.7%27.5%
Enlarged lymph nodes†0.8%7.0%22.5%

  • *Non-ulcerative lesions include erythema, oedema, pseudopolyps and aphtae. †Comparison of proportions p<0.001 χ2 test.