Pancreatic Cancer Flashcards
What are the risk factors for Pancreatic cancer? (7 things)
- Smoking
- Alcohol
- Carcinogens
- DM
- Chronic Pancreatitis
- High waist circumference
- High fat + Red / Processed meat diet
What type of cancer is Pancreatic cancer usually?
Ductal adenocarcinoma
What is a characteristic of Ductal adenocarcinomas? (2 things)
- Metastasize early
2. Present late
Which part of the pancreas do most pancreatic cancers arise in? (4 things)
- 60% = pancreas head
- 25% = pancreas body
- 15% = pancreas tail
- A few in ampulla of Vater / pancreatic islet cells
Which pancreatic cancer arises in the ampulla of Vater?
Ampullary tumour
Which pancreatic cancers arise in the pancreatic islet cells? (5 things)
- Insulinoma
- Gastrinoma
- Glucagonoma
- Somatostanimo
- VIPomas
Which pancreatic cancers have better prognosis than the rest? (2 things)
- Ampulla of Vater cancers
2. Pancreatic islet cell cancers
What is the genetic significance of pancreatic cancer?
95% have mutations in KRAS2 gene
Where do Pancreatic cancers spread to? (4 things)
- Liver (FIRST)
- Peritoneum
- Lungs
- Bones
What is the key CF that should make you instantly think of Pancreatic HEAD Cancer as a differential?
Painless Obstructive Jaundice
How does Pancreatic HEAD cancer cause Obstructive jaundice?
Tumour of pancreas HEAD grows and compresses bile ducts
What is the other DD of Painless Obstructive Jaundice?
Cholangiocarcinoma
What are the CF of Painless Obstructive Jaundice in Pancreatic HEAD Cancer? (4 things)
- Yellow skin + sclera
- Pale stools
- Dark urine
- Generalised itching
What do 75% of Pancreatic BODY / TAIL Cancers present with? (3 things)
- Epigastric pain
- Radiates to back
- Relieved by sitting forward
What are the other CF of Pancreatic Cancers? (10 things)
- Palpable gall bladder (Courvoisiers’s Sign)
- Ascites
- N + V + D
- Change in bowel habits
- Rastafarian lymphadenopathy
- Epigastric mass
- jAndince
- Splenomegaly + Hepatomegaly
- Weight loss (late)
- New onset DM / Worsening T2DM (late)
What is Courvoisier’s Sign in Pancreatic Cancer?
Enlarged, palpable, non-tender gallbladder
What does Courvoisier’s Law state? (2 things)
- Palpable gallbladder with jaundice is UNLIKELY to be gallstones
- The cause is usually Pancreatic Cancer OR Cholangiocarcinoma
How does Pancreatic Cancer cause Splenomegaly?
Cancer in BODY / TAIL –> splenic vein obst
Which patients does NICE say you should refer for sus Pancreatic Cancer?
- 40+ yrs old w Jaundice = refer on 2 wk wait
2. 60+ yrs old w Weight Loss + 1 more of 7 NICE symptoms = refer for DIRECT ACCESS CT ABDO
What are the 7 NICE symptoms that when present w Weight Loss in a 60+ yr old, must be referred for Direct Access CT Abdo? (7 things)
- N / V / D
- Constipation
- Abd / Back pain
- New onset diabates
What investigations should be done for sus Pancreatic Cancer?
- Imaging (usually CT)
- Biopsy
- CA19-9 tumour marker
- MRCP
- ERCP
What is the diagnosis of Pancreatic cancer based on? (2 things)
- Imaging (usually CT)
2. Biopsy
What CT is done sus Pancreatic Cancer?
Staging CT TAP (thorax, abd, pelvis)
What is the CT for sus Pancreatic Cancer used to look at? (2 things)
- Metastasis
2. Other cancers
What tumour marker is used to assess PROGNOSIS of Pancreatic Cancer?
CA19-9
Why is CA19-9 not used for DIAGNOSIS of Pancreatic Cancer? (2 things)
- It’s non specific
2. Also raised in Cholangiocarcinoma + other conditions
What is MRCP used for in sus Pancreatic Cancer?
Assess biliary system to assess obstruction
What is ERCP used for in sus Pancreatic Cancer? (3 things)
- Insert stent
- Relieve obstruction
- Obtain biopsy
Where will the management of a Pancreatic cancer patient be decided?
Hepatobiliary (HPB) MDT meeting
What percentage of Pancreatic Cancers are suitable for radical surgery?
Under 20% :(
What are the Surgical options for Pancreatic Cancers? (4 things)
- Total pancreatectomy
- Distal pancreatectomy (body n tail) (done laparoscopically)
- Radical PancreaticoDuodenectomy (Whipple Procedure)
- Pylorus-Preserving PancreaticoDuodenectomy (PPPD) (modified Whipple Procedure)
What is Whipple Procedure?
Surgery to remove Pancreas Head Tumour that HASN’T spread
What does Whipple Procedure remove? (6 things)
- Pancreas head
- Duodenum
- Gallbladder
- Bile duct
- Relevant lymph nodes
- (Sometimes parts of Stomach + Pancreas Body)
What is Pylorus-Preserving PancreaticoDuodenectomy (PPPD) (modified Whipple Procedure)?
Same as Whipple Procedure but you just leave the Pylorus of stomach in place
What are the Palliative options for Pancreatic Cancers? (4 things)
- Stent insertion to relieve biliary obst
- Surgery to bypass biliary obst
- Palliative chemo / radio
- Opiates for pain (End of life)
What is the mean survival time for Pancreatic Cancer?
Under 6 months :(