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Table 1 Ovarian masses pathological classification

From: The Role of Diffusion Weighted Imaging in suspected cases of ovarian cancer

Ovarian lesions subtypes
Malignant NB (%) Benign NB (%)
*Primary ovarian tumors Serous cystadenoma 7 (13.7%)
 High-grad papillary serous 6 (11.7) Mature teratoma 3 (5.9%)
 Low-grade papillary serous 4 (7.8% Mucinous cystadenoma 3 (5.9%)
 Mucinous adenocarcinoma 1 (1.9%) Fibrothecoma 3 (5.9%)
 Endometrioid adenocarcinoma 1 (1.9%) Fibroma 2 (3.9%)
 Malignant germ cell tumor 2 (3.9%) Endometrioid cystadenoma 1 (1.9%)
 Malignant granulosa cell 1 (1.9 %) Endometrioidcystadenofibroma 1 (1.9%)
 Malignant endodermal sinus tumor 1 (1.9%) Endometriosis with abscess 2 (3.9%)
*Metastatic ovarian tumors Tubo-ovarian abscess 4 (7.8%)
 Endometrial cancer 2 (3.9%) Necrotizing caseating granuloma 1 (1.9%)
 Uterine leiomyosarcoma 1 (1.9%) Infarcted ovary 1 (1.9%)
 Colon adenocarcinoma 2 (3.9%)   
 Gastric carcinoma 1 (1.9%)   
 Malignant mesothelioma 1 (1.9%)