Liver Cancer Flashcards
Worldwide, liver cancers are the ________ most common cause of cancer-related death and rank _______ in terms of incident cases.
fourth; sixth
On the basis of annual projections, the World Health Organization estimates that more than _________ patients will die from liver cancer in 2030.
1 million
In the United States, the rate of death from liver cancer increased by 43% (from 7.2 to 10.3 deaths per 100,000) between 2000 and 2016.
T/F
T
Liver cancer is the _______ most lethal tumor, after _________ cancer.
The 5 year survival is _____%
second; pancreatic
18
The majority of hepatocellular carcinomas occur in patients with ___________________, mostly as a result of _______________________ infection or __________.
underlying liver disease
hepatitis B or C virus (HBV or HCV)
alcohol abuse
Malignant tumours of the liver
________ tumors
_________ or ________ tumours
Primary
Secondary or metastatic
Malignant tumours of the liver
Primary tumors
__________ carcinoma
_________carcinoma
_________________
_____________-associated with ________,________, or ________
Hepatocellular
Cholangio
Hepatoblastoma
Angiosarcoma
vinyl chloride, arsenic or thorotrast
Malignant tumors of the liver
Secondary or metastatic tumours
_____________
______
__________
_______
_______
others
Neuroendocrine
Pancreas
Colorectal
Breast
Lung
Hepatocellular carcinoma
Synonyms: ________________________________ (PLCC), ___________
Accounts for ______% of all primary liver cancer
prmary liver cell carcinoma; hepatoma
> 90
Hepatocellular carcinoma
Incidence highest in Korea, Taiwan, Mozambique & SE Asia
(Blacks or Whites?) >(black or whites?)
(Male or Female?) >(male or female?)
Blacks>whites
Male>female
Pathogenesis of liver cancer
Patients with chronic liver disease have sustained hepatic _________,_________ , and aberrant ________
These abnormalities can cause ——— and favor a series of _____ and _________ events.
These culminate in the formation of _________________, which are bona fide _____________
inflammation, fibrosis
hepatocyte regeneration.
cirrhosis; genetic and epigenetic
dysplastic nodules
preneoplastic lesions
Genetic Alterations
Hepatocellular carcinoma cells accumulate _________ alterations, including _______ and ________ aberrations.
somatic DNA; mutations and chromosomal
Genetic Alterations
Mutations in the _________ are the most frequent genetic alterations, accounting for approximately ____% of cases.
TERT promoter
60
Genetic Alterations
They can be detected in _________, and the _________ is a recurrent insertion site for the genome of HBV.
dysplastic nodules
TERT promoter
Genetic Alterations
Besides TERT PROMOTER:
Other mutations involve: ______ (30%); ________ (30%); ________ (10%) etc.
TP53
CTNNB1
ARID1A
Genetic Alterations
Besides TERT PROMOTER:
Other mutations involve: TP53 (____%); CTNNB1 (_____%); ARID1A (___%) etc.
30
30
10
pathogenesis: HBV
Integration of viral DNA leading to __________ that ends up in ______________ ___________
____ protein is also proposed to play a role such as:
•Disrupt __________ of infected cells
•Bind _____ gene & interferes with ________
mutation; malignant transformation
HBx; normal growth control
p53; growth suppression
pathogenesis of liver cancer
_________ and ______ disease in developed countries
HCV & Alcoholic liver
pathogenesis of Liver cancer
_________-products intercalate into DNA and promote mutation
Aflatoxins
pathogenesis of liver dancer
_______–HCV,alcohol, haemochromatosis & other causes of cirrhosis
Cirrhosis
Morphology-gross
_____focal (small or large?) mass
______-focal masses of ______ sizes
Diffusely _____ tumour involving the _____
_____ stain with _____ hue
(loose or Firm?) and gritty
Vascular invasionportal veinIVCright atrium
Uni; large
Multi; varying
infiltrative; whole liver
Bile; greenish
Firm and gritty
microscopy of liver cancer
Ranges from ___________ tumour to _____________ tumour
well differentiated
anaplastic undiffrentiated
microscopy of liver cancer
Well-differentiated tumour-
__________ hepatocytic tumour cells
Form _______,_______, or _________ patterns
Recognizable
trabecular, acinar or pseudo-glandular
microscopy of liver cancer
Poorly-differentiated tumour-
___________ cells with numerous _________ cells
________ shaped sarcomatous type
pleomorphic; anaplastic giant
spindle
Fibrolamellar carcinoma
Occur in (young or old?) male & female age ____-____ yrs
It develops in _______ liver
Young; 20-40
non-cirrhotic