Pancreaticoduodenectomy (Whipple)
What the Examiner Expects
The most complex elective abdominal operation, involving en bloc resection of the pancreatic head, duodenum, distal common bile duct, gallbladder, and distal stomach (classic Whipple) or preservation of the pylorus (pylorus-preserving Whipple). The examiner expects you to stage the patient (CT pancreas protocol with arterial and venous phase, CA 19-9, EUS with FNA for tissue diagnosis, staging laparoscopy), determine resectability (arterial involvement of SMA, celiac axis, or hepatic artery > 180° contact is unresectable; SMV/portal vein involvement is potentially resectable), and describe the three reconstructive anastomoses performed on a single jejunal limb: pancreaticojejunostomy, hepaticojejunostomy, and gastrojejunostomy.
Key Examiner Focus Points
- Indicated for periampullary tumors: pancreatic head, ampullary, distal CBD, duodenal cancer
- Resects: pancreatic head, duodenum, distal CBD, gallbladder, distal stomach (classic) or pylorus-preserving
- Three anastomoses: pancreaticojejunostomy (or pancreaticogastrostomy), hepaticojejunostomy, gastrojejunostomy (or duodenojejunostomy)
- Pancreatic fistula is the most common serious complication (ISGPF classification)
- Vascular involvement: SMV/portal vein resection and reconstruction is acceptable; SMA encasement is unresectable
Common Curveballs
POD 5 drain amylase is 5,000 — significantly higher than serum
Clinically relevant postoperative pancreatic fistula (POPF grade B or C by ISGPF). Maintain drain, NPO or low-fat diet, IV antibiotics if infected, and octreotide. Grade B: persistent drainage requiring interventional management. Grade C: sepsis, organ failure, or hemorrhage requiring reoperation. Most grade B fistulas resolve with prolonged drainage.
CT shows tumor abutting the SMV with < 180° contact
This is borderline resectable. Consider neoadjuvant chemotherapy (FOLFIRINOX) followed by restaging. If there is a response or stable disease, proceed to Whipple with possible SMV/portal vein resection and reconstruction (primary repair or interposition graft). SMA involvement > 180° remains a contraindication.
Sentinel bleed from the surgical drain on POD 8
A sentinel bleed (small herald bleed) after Whipple is an ominous sign — it frequently precedes massive hemorrhage from pseudoaneurysm erosion (GDA stump, hepatic artery). Obtain emergent CT angiography. If pseudoaneurysm is confirmed, interventional radiology embolization or covered stent is preferred. Have OR on standby for massive hemorrhage.
Practice this topic with an AI-powered mock oral exam.
Browse Practice Cases