A CT scan of acute pancreatitis will show following features, except:
**Core Concept**
Acute pancreatitis is characterized by inflammation of the pancreas, leading to tissue damage and potential complications. A CT scan is a valuable diagnostic tool for assessing the severity of pancreatitis.
**Why the Correct Answer is Right**
A CT scan of acute pancreatitis typically shows the following features:
- **Pancreatic parenchymal necrosis**: This is a hallmark of severe pancreatitis, where there is irreversible damage to the pancreatic tissue.
- **Pancreatic edema**: Swelling of the pancreas due to inflammation and fluid accumulation.
- **Pancreatic ductal dilatation**: Enlargement of the pancreatic ducts due to obstruction or damage.
- **Peripancreatic fluid collections**: Accumulation of fluid in the peripancreatic tissues, which can be a sign of pancreatic necrosis or infection.
**Why Each Wrong Option is Incorrect**
**Option A:** Not a typical feature of acute pancreatitis on CT scan.
**Option B:** This is a common finding in acute pancreatitis, representing pancreatic edema.
**Option C:** Also a typical feature, indicating pancreatic ductal dilatation.
**Option D:** This is another common feature, representing peripancreatic fluid collections.
**Clinical Pearl / High-Yield Fact**
Remember that the presence of pancreatic necrosis on CT scan is a critical prognostic indicator in acute pancreatitis, associated with higher morbidity and mortality.
**Correct Answer:** A.