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Pseudomyxoma peritonei

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Abdominal pain and progressive distension.

Patient Data

Age: 35 years
Gender: Female
ct

The left hemidiaphragm is elevated causing mild left to right shifting of heart and mediastinum.

Moderate ascites is present accompanied by multiple low attenuating lesions causing scalloping of the liver margin. There are also multiple varying sized soft tissue density masses on greater omentum associated with omental thickening. 

A 125×105×70 mm septated cystic lesion is noted at left pelvis. 

Case Discussion

Left adnexal septated cystic lesion; pathology proven ovarian mucinous cystadenocarcinoma with pseudomyxoma peritonei which refers to syndrome of progressive intraperitoneal accumulation of mucinous ascites related to a mucin-producing neoplasm.

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