Ovarian serous cystadenoma

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Pelvic pain and palpable mass on physical exam.

Patient Data

Age: 45 years
Gender: Female
ct
This study is a stack
Axial C+ portal
venous phase
This study is a stack
Axial C+
delayed
This study is a stack
Coronal C+ portal
venous phase
This study is a stack
Sagittal C+ portal
venous phase
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Info

A 195 x 110 x 130 mm multiloculated cystic lesion without enhancing solid component is present at left adnexa, seeming to originate from the left ovary.

A small amount free fluid is observed at posterior cul-de-sac. 

The uterus contains a few small fibroids. 

The gallbladder is not seen at anatomical location due to prior resection.
 

Case Discussion

Left adnexal cystic lesion - pathology-proven ovarian serous cystadenoma which is a type of benign ovarian epithelial tumor at the benign end of the spectrum of ovarian serous tumors.

On CT, ovarian serous cystadenoma is often seen as a unilocular (typically) or multilocular cystic mass with homogeneous attenuation, with a thin regular wall or septum and usually no solid component or mural node. 

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