20 cm diameter, grossly smooth white mass
filled with brown muddy mucin, multiloculated cysts that released white yolk-esque mucous when cut open
hemorrhage visible possibly due to torsion or neoplasia outgrowing vascular supply
histologically darky background, which can be result of infection, malignancy or torsion
Our case was at least borderline malignant.
Mucinous cystadenoma usually unilateral.
