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Ovarian Dermoid (Cystic Teratoma)

Nieves NMN - MedPix (2001)

View Article: MedPix Image - MedPix Topic

Affiliation: Tripler Army Medical Center

ABSTRACT

Ovarian Dermoid Dermoids account for approximately 15% of all ovarian neoplasms. About 10% of all ovarian dermoids are bilateral. Dermoids are benign, slow growing tumors that are present since birth. These tend to be detected incidentally on sonographic examinations or CT scans, as their soft composition makes them difficult to detect on physical exam. Histologically, dermoids consist of mature epithelial elements (hair, skin, sebum, and teeth). Given their heterogeneous nature, they have a variable appearance on the different imaging modalities. The classic sonographic appearance has been termed "the tip of the iceberg sign", since most of the beam is absorbed by the top of the mass secondary to the multiple interfaces. Also, the "dermoid plug" sign has been described, referring to the appearance of hyperechoic round areas within a hypoechoic mass. Thick calcifications can also be present in the shape of a tooth. A lipid-fluid level can be demonstrated, albeit, uncommonly.

No MeSH data available.


Right ovary - hyperechoic focus centrally within a hypoechoic mass
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MPX2737_synpic1628: Right ovary - hyperechoic focus centrally within a hypoechoic mass


Ovarian Dermoid (Cystic Teratoma)

Nieves NMN - MedPix (2001)

Right ovary - hyperechoic focus centrally within a hypoechoic mass
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX2737&req=5

MPX2737_synpic1628: Right ovary - hyperechoic focus centrally within a hypoechoic mass

View Article: MedPix Image - MedPix Topic

Affiliation: Tripler Army Medical Center

ABSTRACT

Ovarian Dermoid Dermoids account for approximately 15% of all ovarian neoplasms. About 10% of all ovarian dermoids are bilateral. Dermoids are benign, slow growing tumors that are present since birth. These tend to be detected incidentally on sonographic examinations or CT scans, as their soft composition makes them difficult to detect on physical exam. Histologically, dermoids consist of mature epithelial elements (hair, skin, sebum, and teeth). Given their heterogeneous nature, they have a variable appearance on the different imaging modalities. The classic sonographic appearance has been termed "the tip of the iceberg sign", since most of the beam is absorbed by the top of the mass secondary to the multiple interfaces. Also, the "dermoid plug" sign has been described, referring to the appearance of hyperechoic round areas within a hypoechoic mass. Thick calcifications can also be present in the shape of a tooth. A lipid-fluid level can be demonstrated, albeit, uncommonly.

No MeSH data available.