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Pancreatic Cancer Surgical Practice Guidelines

Pancreatic Cancer Surgical Practice Guidelines

Scope and Format of Guidelines

The Society of Surgical Oncology surgical practice guidelines focus
on the signs and symptoms of primary cancer, timely evaluation of the symptomatic
patient, appropriate preoperative extent of disease evaluation, and role
of the surgeon in diagnosis and treatment. Separate sections on adjuvant
therapy, follow-up programs, or management of recurrent cancer have been
intentionally omitted. Where appropriate, perioperative adjuvant combined-modality
therapy is discussed under surgical management. Each guideline is presented
in minimal outline form as a delineation of therapeutic options.

Since the development of treatment protocols was not the specific aim
of the Society, the extensive development cycle necessary to produce evidence-based
practice guidelines did not apply. We used the broad clinical experience
residing in the membership of the Society, under the direction of Alfred
M. Cohen, MD, Chief, Colorectal Service, Memorial Sloan-Kettering Cancer
Center, to produce guidelines that were not likely to result in significant

Following each guideline is a brief narrative highlighting and expanding
on selected sections of the guideline document, with a few relevant references.
The current staging system for the site and approximate 5-year survival
data are also included.

The Society does not suggest that these guidelines replace good medical
judgment. That always comes first. We do believe that the family physician,
as well as the health maintenance organization director, will appreciate
the provision of these guidelines as a reference for better patient care.

of Surgical Oncology Practice Guidelines: Pancreatic Cancer

Symptoms and Signs

  • Adenocarcinoma involving the pancreatic head or uncinate process often
    causes obstruction of the intrapancreatic portion of the common bile duct,
    resulting in jaundice.
  • Tumors in the pancreatic body and tail do not obstruct the bile duct,
    and therefore, patients are rarely diagnosed prior to the development of
    locally advanced or metastatic disease.
  • In the absence of jaundice, patients often present with complaints
    of vague upper abdominal or back pain, weight loss due to anorexia, decreased
    energy level, and nonspecific upper gastrointestinal or dyspeptic symptoms.
  • An occasional patient may present with a change in bowel habits secondary
    to pancreatic exocrine insufficiency due to tumor obstruction of the pancreatic
    duct; bowel movements may be loose, malodorous, and consistent with steatorrhea.
  • New-onset hyperglycemia
  • Nausea and vomiting secondary to duodenal obstruction

Evaluation of the Symptomatic Patient


  • History
  • Physical examination
  • Liver function tests and ultrasound (to confirm extrahepatic biliary
    obstruction in jaundiced patients)
  • Extent of disease (both locoregional and distant) is assessed by contrast-enhanced
    helical CT scan.
  1. Distant metastatic disease:
  • Confirm cytologic diagnosis.
  • Fine needle aspiration (FNA) cytology--CT-guided, endoscopic ultrasound
    (EUS)-guided, fluoroscopy-guided paracentesis (if ascites is present)
  • No distant metastatic disease:
    • Mass in pancreas considered unresectable-- EUS-guided or CT-guided
    • No mass in pancreas--endoscopic retrograde cholangiopancreatography
      (ERCP) with biopsy demonstrating a malignant stricture

      Appropriate timeliness of surgical referral

    • Evaluation should begin as soon as symptoms are reported.

    Preoperative Evaluation for Extent of Disease

    • History and physical examination
    • In the absence of hyperbilirubinemia, routine laboratory studies are
      of little value in arriving at the diagnosis of a pancreatic neoplasm.
      Most patients with adenocarcinoma will evidence a mild degree of hyperglycemia,
      yet this finding is often subtle and difficult to discriminate from very
      mild adult-onset diabetes mellitus.
    • In the absence of extrahepatic biliary obstruction, elevated liver
      function tests should raise the suspicion of metastatic disease (as is
      true with other solid tumors).
    • Intraoperative biopsy has a false-negative rate of at least 30% and
      has been associated with such complications as pancreatic fistula and pancreatitis.
      Since a negative biopsy is unlikely to alter the therapeutic strategy,
      intraoperative biopsy of the pancreas should generally be avoided.
    • Many surgeons, however, are reluctant to proceed with pancreaticoduodenectomy
      in the absence of cytologic or histologic confirmation of disease. For
      those surgeons, EUS-guided or CT-guided FNA is a reasonable alternative.
      In patients eligible for clinical trials examining the value of preoperative
      radiation, chemotherapy, or both, preoperative EUS-guided FNA is the preferred
      method of cytologic confirmation of disease.
    • Local criteria for resectability can be determined with a high degree
      of accuracy by preoperative imaging modalities.
    • The use of contrast-enhanced helical CT obtained at 1.5- or 3.0-mm
      section thickness and 5-mm scan interval gives precise information regarding
      the relationship of the tumor to the superior mesen- teric artery (SMA),
      hepatic artery, and celiac axis. The relationship of the tumor to the superior
      mesenteric-portal venous confluence is less reliably assessed by CT scan.
      However, the absence of a normal fat plane between the tumor and this venous
      structure should suggest the potential for tumor involvement of the lateral
      or posterior wall of the superior mesenteric or portal vein.
    • Celiac and SMA angiography with venous phase imaging in selected patients
      (ie, patients considered for reoperative pancreaticoduodenectomy)
    • Absolute criteria for unresectability include:
    1. The presence of distant metastatic disease
    2. Encasement of the celiac axis or SMA
    3. Occlusion of the superior mesenteric-portal venous confluence

    Role of the Surgeon in Initial Management

      The majority of patients with pancreatic cancer present with locally
      advanced or metastatic disease. The surgeon is often the entry point for
      the patient into the realm of therapeutic options.
    • Following an initial evaluation consisting of a physical examination,
      chest x-ray, and contrast-enhanced CT, it is possible to determine the
      extent of disease and the potential for surgical resection.
    • Biliary decompression, when necessary, in patients with locally advanced,
      unresectable primary tumors and/or metastatic disease, should be performed
    • Transhepatic decompression is a second-line alternative.
    • Laparoscopically assisted cholecystojejunostomy in carefully selected
    • In general, biliary enteric bypass via a standard laparotomy should
      be reserved for patients who experience repeated episodes of stent occlusion
      or cholangitis. The majority of operative biliary enteric bypass procedures
      should be performed in patients who are brought to the operating room for
      planned pancreatectomy and are found to be unresectable due to unsuspected
      metastatic disease or locally advanced primary tumors.

      Surgical considerations

    • For tumors to the right of the mesenteric vessels--pancreaticoduodenectomy
      (standard, pylorus-preserving, or extended pancreatectomy to include vascular
      resection and reconstruction in highly selected patients)
    • For tumors to the left of the mesenteric vessels--distal pancreatectomy
      if resectable
    • Palliative open or laparoscopic bypass surgery in selected patients
      not amenable to nonoperative biliary decompression
    • Endoscopic, laparoscopic, and open laparotomy for biliary decompression
      or gastric bypass are all useful in selected patients. The role of each
      procedure in the individual patient depends on many variables, and definitive
      algorithms are lacking.

    These guidelines are copyrighted by the Society of Surgical Oncology
    (SSO). All rights reserved. These guidelines may not be reproduced in any
    form without the express written permission of SSO. Requests for reprints
    should be sent to: James R. Slawny, Executive Director, Society of Surgical
    Oncology, 85 W Algonquin Road, Arlington Heights, IL 60005.

    Pancreatic cancer remains the fourth leading cause of cancer-related
    deaths in adults in the United States. Its etiology is unknown, and there
    is currently no effective method of early diagnosis. The development of
    molecular techniques to diagnose pancreatic cancer at a time when the tumor
    is localized to the pancreas would allow a greater number of patients to
    receive potentially curative therapy. In addition, effective treatment
    of subclinical, micrometastatic disease (which exists in the liver of most
    patients at the time of removal of the primary pancreatic tumor) would
    dramatically increase long-term survival rates following pancreaticoduodenectomy.
    These are areas of active laboratory investigation and early preclinical


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