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Pancreatic Cancer L. Okolicsanyi G. Morana Pancreas Cancer l 2nd most common GI malignancy l 30,000...
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Transcript of Pancreatic Cancer L. Okolicsanyi G. Morana Pancreas Cancer l 2nd most common GI malignancy l 30,000...
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Pancreatic CancerPancreatic Cancer
L. OkolicsanyiG. Morana
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Pancreas CancerPancreas Cancer
2nd most common GI malignancy 30,000 cases per year in US 25,000 deaths per year 4th leading cause of death in both men and
women Incidence slowly rising M>F (1.3:1) Rare before 45 yrs
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Pancreas CancerPancreas Cancer EtiologyEtiology Diabetes mellitus Diet: Nitrosamines, Animal fat Cigarettes Hereditary predisposition (Hereditary
pancreatitis) Family cancer syndromes (e.g., Peutz-
Jeghers, Von Hippel-Lindau, Gardner’s) Benign disease: Chronic pancreatitis,
Intraductal papillary mucinous neoplasms
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Normal Pancreas
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Pancreatic TumorsPancreatic Tumors
Epithelial– Ductal epithelium (adenocarcinoma and others)– Cystic neoplasms, serous or mucinous
Endocrine– Islet cell tumors, carcinoid tumors
Exocrine– Acinar cell carcinoma
Mesenchymal-Rare
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Risk Factors for Pancreatic Risk Factors for Pancreatic CancerCancer
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Gene Pancreatic Cancer
(%)
Colorectal Cancer
(%)
p16 95 0
K-ras 90 50
p53 75 60
DPC4 55 15
BRCA2 7 ?
Relevance of Genetic Mutations in Pancreatic CancerRelevance of Genetic Mutations in Pancreatic Cancer
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Pancreas CancerPancreas CancerClinical FeaturesClinical Features Weight loss Head:
– Painless jaundice– Gastric outlet obstruction
Body & Tail– Pain– Diabetes mellitus without family history
Metastasis: Hepatomegaly, ascites, Virchow’s (left supraclavicular) node, Trousseau’s syndrome (migratory superficial thrombophlebitis)
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Pancreas CancerPancreas CancerCourvoisier’s lawCourvoisier’s law
“In the presence of jaundice a palpable gall bladder is unlikely to be due to stone”
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Pancreas CancerPancreas CancerInvestigationsInvestigations Laboratory tests:
– LFT’s– CA 19-9
Radiologic tests:– Ultrasound– CT scan + biopsy– ERCP + biopsy– EUS + biopsy
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Algorithm for diagnosis and staging of Pancreatic CancerAlgorithm for diagnosis and staging of Pancreatic Cancer
FNAC
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Pancreas CancerPancreas CancerTreatmentTreatment Curative:
– Resection if possible– Unresectable if metastasis or major vessel
involvement– Whipple procedure for head (radical
pancreatoduodenectomy)– Distal pancreatectomy for body & tail
Palliative:– Bypass– Stent
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Actuarial Survival after Actuarial Survival after Pancreatico- duodenectomyPancreatico- duodenectomy
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Pancreas CancerPancreas CancerSurvival at 5 yrsSurvival at 5 yrs
Head of Pancreas 5-15% Body & Tail of pancreas 2% Distal CBD 15-35% Ampulla 30-65%
Mild improvement with adjuvant therapy
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Pancreas CancerPancreas Cancer