Spontaneous healing after conservative treatment of isolated grade IV pancreatic duct disruption caused by trauma: A case report

Table 1 American Association for the Surgery of pancreatic trauma for the pancreas

Grade1	Type of injury	Description of injury
I	Hematoma	Minor contusion without duct injury
	Laceration	Superficial laceration without duct injury
II	Hematoma	Major contusion without duct injury or tissue loss
	Laceration	Major laceration without duct injury or tissue loss
III	Laceration	Distal transection or parenchymal injury with duct injury
IV	Laceration	Proximal transection or parenchymal injury involving ampulla
V	Laceration	Massive disruption of pancreatic head

¹Advances one grade for multiple injuries up to grade III.