History: pelvic pain
Case 8 - Part 2
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Answer: ovarian dermoid (aka teratoma)
US: usually the study of choice. Notice the complex mass with echogenic components. Associated “dirty” shadowing. No real Rokitansky nodule (dermoid plug) but there is the dot-dash pattern (ie think echogenic bands in dot-dash configuration) signifying thin complex echogenic material such as hair.
CT: an ovarian mass with large fatty component and a dermoid plug (Rokitansky nodule) - fairly classic appearing