Mature ovarian teratoma

Case contributed by Dr Bruno Di Muzio


CT scan due abdominal pain.

Patient Data

Age: 80-year-old
Gender: Female

CT Abdomen and pelvis

There is a well defined right adnexal mass that demonstrates fat (areas with very low Hounsfield values), calcifications and soft tissue foci. 

Case Discussion

Imaging findings are compatible with mature ovarian teratoma (presumptive diagnosis).

Ovarian dermoid cyst and mature cystic teratoma are terms often used interchangeably to refer to the most common ovarian neoplasm. Although they have very similar imaging appearances, the two have a fundamental histological difference: dermoids are composed only of dermal and epidermal elements, whereas teratomas have mesodermal and endodermal elements. Much of the literature combines the two entities.

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Case information

rID: 25997
Published: 21st Nov 2013
Last edited: 26th Oct 2016
System: Gynaecology
Inclusion in quiz mode: Included

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