Fig. 2From: Ovarian teratoma in a woodchuck (Marmota monax) with hepatocellular carcinoma: radiologic and pathologic featuresUltrasound. a Grayscale ultrasound. The teratoma was solid with heterogeneous echogenicity, reflecting the fat content and areas of calcification with acoustic shadowing (asterisk) observed. Anechoic areas were present that may have represented cysts (arrow). b. Color Doppler ultrasound. There was little vascularity on color Doppler imagingBack to article page