Module 1 BTC Flashcards

1
Q

The biliary tract includes:

A

Gallbladder and Extrahepatic and Intrahepatic duct

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2
Q

The extrahepatic duct includes

A

Perihilar and Distal ducts

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3
Q

Biliary tract carries bile from ______

A

Liver to intestine

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4
Q

Cystic duct connects_____

A

the gallbladder to the common bile duct

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5
Q

iCCA’s may be grouped with_______, incidence in US is ________

A

Liver cancer (Hepatocellular), 29%

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6
Q

eCCA’s may be grouped with _______, incidence in US is ______

A

GBC, 33%

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7
Q

Most common BTC _______, incidence in US is _________

A

GBC, 38%

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8
Q

According to SEER incidence in US is_____

A

4.4/100,000

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9
Q

Mean age of BTC diagnosis is _______

A

71

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10
Q

BTC is slightly more common in ______

A

women

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11
Q

Incidence of iCCA is ______ between the sexes

A

Equal

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12
Q

Incidence of BTC’s varies with _____

A

Subtype

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13
Q

GBC and iCCA’s are most common in _______

A

Hispanics

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14
Q

eCCA are most common in ________

A

Asian/Pacific Islanders, non Hispanic individuals

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15
Q

A relatively small proportion of individuals with BTC are diagnosed with ________

A

localized disease

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16
Q

Over ______ of patients with GBC and iCCA and ______ of patients with eCCA present with metastatic disease at diagnosis

A

1/3, nearly 1/3

17
Q

Hispanics have an incidence of GBC of _____ per 100,000 people

A

1.89

18
Q

Median OS of people diagnosed with BTC is_____

A

12 months

19
Q

The 5 year survival rates for patients with BTC are low at _______ for GBC, ______ for eCCA and _____ for iCCA

A

20%, 11%, 9%

20
Q

Survival rates differ by____

A

Diagnosis

21
Q

_______% patients initially diagnosed with distant disease expected to be alive 5 years after diagnosis

A

2-3%

22
Q

BTC risk factors share ________

A

Characteristics of Biliary tract inflammation, Structural abnormalities, Or Obstructions

23
Q

Risk factors for GBC

A

Gallstones (Cholelithiasis), Cholecystitis, Calcification of gallbladder, Polyps

24
Q

Risk factors for CCA

A

Primary Sclerosing Cholangitis (PSC),
intra hepatic bile duct stones (Hepatolithiasis), Gallstones

Cirrhosis / Liver fluke / Hep B,C, Type 2 diabetes

25
Q

GBC has _______ HER2 gene amplification or overexpression

A

19.1%

26
Q

eCCA has _____ HER2 amplification or overexpression

A

17.4%

27
Q

iCCA has ______ HER2 amplification or overexpression

A

4.8%

28
Q

iCCA has ______ FGFR2 fusion/gene rearrangements

A

9-15%

29
Q

iCCA has______IDH1 mutations

A

10-20%

30
Q

TMB-H accounts for ________

A

<5% of all BTC subtypes

31
Q

MSI-H (dMMR) accounts for ______

A

1-3% of all BTC subtypes

32
Q

MSI-H tumors are susceptible to treatment with________

A

Immune Checkpoint Inhibitors

33
Q

In some cases HER2 gene amplification leads to ___________

A

HER2 overexpression

34
Q

MSI-H critical for__________

A

repairing errors in DNA

35
Q

dMMR cells accumulate ________

A

mutations over time

36
Q

dMMR can also promote______

A

Microsatellite instability

37
Q

TMB-H describes tumors that_______

A

harbor >10 mutations per megabase of DNA