Early Detection of Ovarian Cancer with Conventional and Contrast-Enhanced Transvaginal Sonography: Recent Advances and Potential Improvements

Table 1

“Simple rules” for sonographic diagnosis of ovarian cancer*.

Benign	Malignant
(1) Unilocular cyst	(1) Irregular solid tumor
(2) Solid components <7 mm	(2) Ascites
(3) Acoustic shadows	(3) Papillary excrescences
(4) Smooth multilocular	(4) Irregular multiloculated/solid tumor
<10 cm	>10 cm
(5) No color Doppler flow	(5) Very high color content

*Timmerman, D, US O/G 31 : 681, 2008.