Pseudomyxoma peritonei

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Abdominal pain and swelling.

Patient Data

Age: 65 years
Gender: Male
ct
This study is a stack
Axial
non-contrast
This study is a stack
Axial C+ portal
venous phase
This study is a stack
Axial C+
delayed
This study is a stack
Sagittal C+
arterial phase
This study is a stack
Coronal C+
arterial phase
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Info

There are multiple low-attenuating mass like lesions with loculated fluid throughout the peritoneum, omentum and mesentery, accompanied by scalloping of visceral surfaces, particularly the liver. No calcification is present. 

Case Discussion

Features on CT scan and the extensive scalloping of the liver suggest rupture of a mucinous neoplasm resulting is pseudomyxoma peritonei. The patient underwent omental biopsy and the final pathology diagnosis was low-grade mucinous neoplastic gastrointestinal type epithelium. 

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