Table 2.

Number of malignant cases for each morphology type. Numbers in parentheses are percentages with 95% confidence intervals.

Morphology Type	# of malignant cases/Total # of cases
1 - nodular or pinched appearance with homogeneous intramural low attenuation	0/57 (0%; 0.0–5.1%)
2 - homogeneous intramural low attenuation	0/10 (0%; 0.0–25.9%)
3 - full thickness wall enhancement	1/6 (16.7%; 0.4–64.1%)
4 - nodular or pinched with full thickness enhancement	0/19 (0%; 0.0–14.6%)
5 - intramural cystic spaces	0/14 (0%; 0.0–19.3%)
6 - heterogeneous wall enhancement	3/10 (30%; 6.7–65.2%)
Total	4/116 (3.4%; 0.9–8.6%)