Table 4. Absolute differences between radiological and pathological diameters, and frequencies of underestimated and overestimated measurements by each imaging technique.

Imaging technique	Difference between radiological and pathological diameters (mm)	Underestimated measurements	Overestimated measurements
Ultrasonography (n=56)	25.0±18.7	48 (86%)	8 (14%)
CT-scan (n=47)	8.4±9.9	36 (77%)	11 (23%)
MRI (n=30)	16.7±11.6	24 (80%)	6 (20%)

Differences are expressed as means ± standard deviation.