alexa Pancreatic cancer: diagnosis and management.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Computer Science & Systems Biology

Author(s): Freelove R, Walling AD

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Abstract Although only 32,000 new cases of adenocarcinoma of the pancreas occur in the United States each year, it is the fourth leading cause of cancer deaths in this country. The overall five-year survival rate is 4 percent, and localized, resectable disease has only a 17 percent survival rate. Risk factors include smoking, certain familial cancer syndromes, and familial chronic pancreatitis. The link between risk of pancreatic cancer and other factors (e.g., diabetes, obesity) is less clear. Most patients present with obstructive jaundice caused by compression of the bile duct in the head of the pancreas. Epigastric or back pain, vague abdominal symptoms, and weight loss also are characteristic of pancreatic cancer. More than one half of cases have distant metastasis at diagnosis. Computed tomography is the most useful diagnostic and staging tool. Ultrasonography, magnetic resonance imaging, and endoscopic retrograde cholangiopancreatography may provide additional information. The majority of tumors are not surgically resectable because of metastasis and invasion of the major vessels posterior to the pancreas. Resectable tumors are treated with the Whipple procedure or the pylorus-preserving Whipple procedure. Adjuvant fluorouracil-based chemotherapy may prolong survival. For nonresectable tumors, chemotherapy with gemcitabine prolongs survival. Other agents are being studied. Radiation combined with chemotherapy has slowed progression in locally advanced cancers. Throughout the illness and during end-of-life care, patients need comprehensive symptom control.
This article was published in Am Fam Physician and referenced in Journal of Computer Science & Systems Biology

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