Pancreatic Cancer FRCR CO2A Flashcards
(165 cards)
what’s the peak age incidence for pancreatic cancer?
- male eighth decade
- female ninth decade
what subsite of pancreas is frequently affected by pancreatic cancer?
Head 80%
What are RF for pancreatic cancer?
- 3% inherited
- Cigarette smoking, doubles the risk
- Diet rich in protein and carbs and poor in fruit and Vegetables
- toxins like 2-naphthylamine, benzidine and DDT
- long standing DM I and II
- Chronic pancreatitis
- obesity
- Total Gastrectomy (2 to 5 x)
What’s the MC pathology of pancreatic cancer?
Ductal Adenocarcinoma (90%)
others: acinar, anaplastic, cysadenocarcinoma, sq cell, sarcoma
NEUROENDOCRINE Tumors
Where does pancreas lie in human body?
Retroperitoneal Structure, infront of 1st and 2nd Lumbar vertebrae
How many parts pancreas have?
4
Head, Neck, Body and Tail
where does pancreatic duct open?
pancratic duct combines with CBD and opens in the ampulla of vater
what’s the lymphatic drainage of pancreas?
- pancreaticoduodenal
- suprapancreatic
- pyloric
- pancreaticosplenic nodes
Drain into Coeliac and superior Mesenteric nodes
what causes severe pain in pancreatic cancer?
involvement of 1st and 2nd Coeliac ganglia, leading to back pain
what structures involvement leads to inoperable pancreatic cancer?
Vessels like SM Vessels, portal vein, splenic vein, Celiac artery and its branches
what’s the typical s/s of pancreatic cancer?
sudden onset painless jaundice
what are S/S of pancreatic cancer?
- GOO (duodenal spread)
- Obst Jaundice
- Cholangitis
- Steatorrhoea
- Back pain
what are s/s of metastatic pancreatic cancer?
- Jaundice (extensive liver mets)
- abdominal pain and ascites
- Blumer’s shelf
- SOB (Pulm mets), always exclude PE
- Virchow’s node
what is blumer’s shelf?
peritoneal metastasis in Pouch of Douglas, which can be palpated rectally
what is virchow’s node
malignant left Supraclavicular node
What paraneoplastic syndromes are a/w pancreatic cancer?
- migratory thrombophlebitis (Trousseau’s sign)
- Weber Christian (Subcut fat necrosis, polyarthralgia, eosinophilia)
- dermatomyositis/polymyositis
what are constitutional symptoms of pancreatic cancer?
- fatigue
- wt loss
- anorexia
- Venous TE
what blood tests are advised in pancreatic cancer?
CBC/LFT/KFT/Coagulation profile
CA 19.9
what imaging is advised for pancreatic cancer?
Dual phase helical CT scan
Arterial phase: show the pancreas
Venous phase: look for liver mets
ERCP useful in obstructive jaundice: endobiliary stent placement, brushings
EUS
How is EUS useful in pancreatic cancer?
- to assess vascular involvement
- obtaining a biopsy, especially in pts with a small tumor in whom standard US or CT guided biopsy may be difficult
is tissue proof necessary before starting Rx for pancreatic cancer? and if yes why?
yes, radiologically difficulty to distinguish between chronic pancreatitis from carcinoma and CA 19-9 may be elevated in obstructive jaundice
sometimes diagnosis like NET could be missed
what is Rx of resectable pancreatic cancer?
Radical surgery followed by chemotherapy
role of post op crt in pancreatic cancer
controversial, practised in USA
Goal of surgery in localized pancreatic cancer
negative margin