Complex predominantly solid masses Complex predominantly solid masses. A: Predominantly solid, complex mass containing a layer of echogenic material (arrow) arising from sebum within this dermoid cyst. B: Transvaginal sonogram of granulosa cell tumor. C: Transvaginal sonogram of dermoid cyst with layer of echogenic sebum (*). D: Transvaginal sonogram of hemorrhagic ovarian cyst containing irregular solid area corresponding to displaced hemorrhagic ovarian tissue surrounding area of hemorrhage. E: Longitudinal transabdominal sonogram (TAS) of ovarian cystadenocarcinoma containing irregular solid areas. F: Magnified transverse TAS of cul-de-sac hemorrhage (arrow) resulting from ruptured ectopic pregnancy. G: Transvaginal sonogram of dermoid cyst showing typical echogenic hairball (arrows). H: TV-CDS showing vessels within the solid part of a dermoid cyst. Source: SONOGRAPHIC EVALUATION OF PELVIC MASSES WITH TRANSABDOMINAL AND/OR TRANSVAGINAL SONOGRAPHY, Sonography in Obstetrics and Gynecology: Principles & Practice, 7e Citation: Fleischer AC, Toy EC, Lee W, Manning FA, Romero RJ. Sonography in Obstetrics and Gynecology: Principles & Practice, 7e; 2014 Available at: http://obgyn.mhmedical.com/DownloadImage.aspx?image=/data/books/1414/fle_ch31_f004f.png&sec=76395786&BookID=1414&ChapterSecID=76395760&imagename= Accessed: October 23, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved