Acute peripancreatic fluid collections

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Acute abdominal pain for three days.

Patient Data

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

The pancreas is diffusely enlarged and shows homogeneous enhancement inferring acute interstitial oedematous pancreatitis, accompanied by peripancreatic fluid collections. Splenic vein thrombosis secondary to adjacent inflammation.

The hepatic attenuation value is less than the spleen, suggesting fatty liver.

Case Discussion

The pancreatic fluid collections are defined by the presence or absence of necrosis as described by the Revised Atlanta Classification. When necrosis is absent the fluid collections in the first 4 weeks are called acute peripancreatic fluid collections (APFCs). After 4 weeks, encapsulated fluid collections should be called pseudocysts.

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