Enhancement of Ovarian Malignancy on Clinical Contrast Enhanced MRI Studies
Table 1
Lesion enhancement. Enhancement characteristics of lesion stratified by type of ovarian pathology and reader.
Enhancement characteristics of lesion by ovarian pathology and reader.
Pathology
% lesion enhancement
Reader 1
Reader 2
Mean (SD)
Median (range)
Mean (SD)
Median (range)
High grade serous carcinoma
Post 1
83.1 (64.9)
76.1 (11.3, 272.6)
81.0 (64.3)
75.6 (−11.4, 275.1)
Highest enhancement
136.9 (78.5)
126.7 (54.6, 380.7)
136.8 (95.7)
119.5 (46.8, 490.2)
Other epithelial carcinoma
Post 1
136.0 (62.0)
148.4 (11.0, 227.7)
130.1 (58.9)
133.8 (10.2, 246.1)
Highest enhancement
163.9 (58.8)
177.1 (52.4, 265.0)
150.9 (53.1)
144.4 (28.9, 246.1)
Other nonepithelial cancer
Post 1
76.9 (78.5)
74.4 (−13.8, 209.0)
66.4 (52.9)
57.2 (−2.2, 144.3)
Highest enhancement
151.8 (59.1)
160.9 (61.6, 242.7)
163.6 (44.3)
153.4 (122.4, 263.2)
Borderline tumor
Post 1
57.2 (34.4)
66.0 (8.4, 100.9)
58.4 (48.6)
62.3 (−0.6, 155.7)
Highest enhancement
98.0 (46.4)
102.3 (45.8, 191.7)
93.4 (47.8)
74.8 (42.1, 177.7)
Post 1: enhancement on first postcontrast phase. Highest: highest enhancement demonstrated on all postcontrast phases. % lesion enhancement = [(postcontrast lesion SI − precontrast lesion SI)/precontrast lesion SI] × 100. SI: signal intensity.