Serous cystadenoma of the ovary

Case contributed by Dr Hani Salam


Abdominal bloating.

Patient Data

Age: 17 years
Gender: Female

Large unilocular cystic lesion, located in the midline. There are no evident solid components, papillary projections or internal septations.  It is difficult to assess on ultrasound in its entirety due to the very large size.  The right ovary is identified, separate to the mass. Left ovary not visualized.

CT confirms the presence of a large, solitary well defined abdominopelvic cystic mass lesion. There are no internal septations, solid components or papillary projections.

There is a small amount of pelvic free fluid.

Case Discussion

Very large, unilocular cystic mass, with no concerning morphologic features to suggest a high grade malignancy. As they are asymptomatic apart from the mass effect, it is not uncommon for benign ovarian neoplasms to be very large at presentation. 

Shown to be an ovarian serous cystadenoma.

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Case information

rID: 8183
Published: 17th Jan 2010
Last edited: 13th Aug 2019
System: Gynaecology
Tag: ovary
Inclusion in quiz mode: Included

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