🫀 Chapter 400: Pancreatic Fluid Collections

Nelson Textbook of Pediatrics 22nd Edition — Revised Atlanta Classification of pancreatic fluid collections: Acute peripancreatic fluid collection (APFC) (first 4 weeks, no necrosis), Pseudocyst (>4 weeks, well-defined wall, no necrosis), Acute necrotic collection (ANC) (first 4 weeks, with necrosis), Walled-off necrosis (WON) (>4 weeks, encapsulated necrosis). Pancreatic abscess (purulent). Management: observation for asymptomatic; drainage (endoscopic, percutaneous) for symptomatic or infected collections; necrosectomy for infected necrosis.

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📋 30 Clinical Scenarios — Pancreatic Fluid Collections

📇 High‑Yield Review Cards (Pancreatic Fluid Collections)

🩺 Clinical Presentations: Pancreatic Fluid Collections

Select a presentation for diagnostic clues and management.

📋 Stepwise Evaluation & Management of Pancreatic Fluid Collections

🔑 Key Principles — Pancreatic Fluid Collections (Nelson Ch.400)
• Revised Atlanta Classification (2012): Differentiates based on timing (<4 weeks vs >4 weeks) and presence of necrosis.
• APFC: Early (<4 weeks), fluid only, no necrosis. Often resolves spontaneously.
• Pseudocyst: >4 weeks, well-defined wall, fluid only (no necrosis). May require drainage if symptomatic.
• ANC: Early (<4 weeks), contains necrosis (solid debris).
• WON: >4 weeks, encapsulated necrosis. May become infected.
• Indications for drainage: Infection, persistent symptoms (pain, gastric outlet obstruction), biliary obstruction, rapid enlargement.
• Drainage methods: Endoscopic (cystogastrostomy, cystoduodenostomy), percutaneous, surgical (minimally invasive step-up approach).

    ⚡ Reflex Prompts — Pancreatic Fluid Collections

    📖 Pancreatic Fluid Collections — Core Summary