Fat--fluid level in in a cystic ovarian teratoma.
A malignant cystic ovarian teratoma demonstrated a fluid level on erect abdominal films that was mistaken for a gas--fluid level. Computed tomography demonstrated a hairball floating in a fat--fluid level, findings pathognomonic of a cystic teratoma.
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging; D003884:Dermoid Cyst / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008055:Lipids; D010051:Ovarian Neoplasms / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic; D014057:Tomography, X-Ray Computed
D008055:Lipids