**Core Concept**
Pancreatic abscess is a type of intra-abdominal abscess that forms in the setting of pancreatic necrosis, often as a complication of acute pancreatitis. It is a serious condition that requires prompt and aggressive management to prevent further complications and improve patient outcomes.

**Why the Correct Answer is Right**
The management of pancreatic abscess typically involves a combination of antibiotics, supportive care, and percutaneous drainage. Antibiotics are used to treat the underlying infection, while supportive care is provided to manage the patient's symptoms and prevent further complications. Percutaneous drainage, either through CT-guided drainage or endoscopic ultrasound-guided drainage, is often necessary to remove the abscess and prevent its rupture into the peritoneal cavity.

**Why Each Wrong Option is Incorrect**
**Option A:** Surgical drainage is not typically the first line of treatment for pancreatic abscess, as it carries a higher risk of complications and mortality compared to percutaneous drainage.
**Option B:** Antibiotics alone are not sufficient to manage a pancreatic abscess, as the abscess often requires drainage to prevent further complications.
**Option C:** Observation is not an appropriate management strategy for pancreatic abscess, as it can lead to further complications and mortality if left untreated.

**Clinical Pearl / High-Yield Fact**
It is essential to differentiate between pancreatic abscess and walled-off necrosis, as the management strategies for these two conditions differ. Pancreatic abscess typically requires drainage, while walled-off necrosis may be managed conservatively with antibiotics and supportive care.

**Correct Answer: C. Antibiotics and supportive care.**