Endoscopic ultrasound guided drainage of pancreatic fluid collections: Assessment of the procedure, technical details and review of the literature

Table 1 Classification of pancreatic fluid collections as per revised Atlanta classification

Acute pancreatitis

Interstitial edematous pancreatitis

Necrotizing pancreatitis (pancreatic necrosis and/or peripancreatic necrosis)

Sterile necrosis

Infected necrosis

Fluid collections during acute pancreatitis

< 4 wk after onset of acute pancreatitis

Acute peripancreatic fluid collection

ANC

≥ 4 wk after onset of acute pancreatitis

Pancreatic pseudocyst

WOPN

ANC: Acute necrotic collection; WOPN: Walled-off pancreatic necrosis.