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Table 2 Conventional MRI Morphologic characteristics of adnexal lesions included in the study

From: Value of magnetic resonance spectroscopy in assessment of adnexal lesions

MRI features Benign lesions Borderline lesions Malignant lesions
Maximum diameter (cm), mean ± SD 2–17 (8.2 ± 3.5) 6–15 (7.5 ± 3.3) 6–25 (13.6 ± 8.06)
Morphology
 Predominantly complex cystic 34 (91%)   6 (25%)
 Mixed cystic and solid 1 (3%)   14 (58%)
 Solid 2 (6%) 4 (100%) 4 (17%)
Signal intensity on T2
 Low 2 (5%) 1 (25%)  
 IM 6 (16%) 1 (25%) 16 (67%)
 High 29 (79%) 2 (50%) 8 (33%)
Enhancement
 No 13 (36%)   
 Mild 12 (32%) 3 (75%)  
 Moderate 6 (16%) 1 (25%) 14 (58%)
 Avid 6 (16%)   10 (42%)
Ascites 3 (8%) 1 (25%) 16 (67%)
Peritoneal implants 3 (12.5%)
Lymphadenopathy    7 (29%)