**Core Concept**
Acute pancreatitis is an inflammatory condition of the pancreas, often caused by gallstones or excessive alcohol consumption. Imaging plays a crucial role in diagnosing and managing acute pancreatitis. The imaging modality of choice (IOC) should provide accurate assessment of pancreatic inflammation, necrosis, and complications.

**Why the Correct Answer is Right**
The imaging modality of choice for acute pancreatitis is contrast-enhanced computed tomography (CECT) scans. CECT scans can detect pancreatic necrosis, inflammation, and complications such as pseudocysts and abscesses. The contrast agent highlights the pancreatic tissue, allowing for better visualization of the pancreatic duct and surrounding structures. The sensitivity and specificity of CECT scans make them an essential tool in the diagnosis and management of acute pancreatitis.

**Why Each Wrong Option is Incorrect**
**Option A:** Magnetic Resonance Cholangiopancreatography (MRCP) is useful for visualizing the pancreatic duct and common bile duct but is not the IOC for acute pancreatitis.
**Option B:** Ultrasound is a useful initial imaging modality for acute pancreatitis, but it has limitations in detecting pancreatic necrosis and complications, making it less ideal than CECT scans.
**Option C:** Angiography is not typically used as an IOC for acute pancreatitis, as it is more useful for detecting vascular complications.

**Clinical Pearl / High-Yield Fact**
It is essential to note that CECT scans should be performed within 24-48 hours of symptom onset to accurately diagnose acute pancreatitis and detect complications.

**Correct Answer: C. Contrast-enhanced computed tomography (CECT) scans.**