What are open surgery options for tx of pseudocysts?

Cystogastrostomy If Lying posterior to stomach Cystojejunostomy Ideal for internal drainage If located at body and tail Not adhere to stomach , Bulging through T.colon Cystoduodenostomy If located at head of pancreas Distal pancreatectomy Extent of resection , depend on ERCP finding External Drainage Only if no occlusion of PD