Genetic Flashcards
VHL
RCC Phaechromocytoma Cerebellar haemangioblastoma Retinal angioma Pancreatic NET
What can long acting somatostatin analogues do?
Majority of patients good symptomatic control
Biochemical response in 30-70%
Tumour stabilisation - shrinkage is rare
Risk of endometrial and ovarian cancer in Lynch syndrome?
20-60% endometrial
Ovarian is lower 12%
Then ovarian and endometrial cancers in Lynch syndrome tend to have a good prognosis, present early and well differentiated
What other cancer is increased in hereditary diffuse gastric cancer? What is the name of the gene
E-Cadherin gene (CDH1) responsible in 30% of families
Increase risk of lobular breast cancer (40% lifetime risk)
What is a missense mutation?
Substitution of one AA for another
which BRCA mutations increase the risk of pancreatic cancer?
Both 1 and 2
How much does prophylactic bilateral mastectomy reduce the risk of breast cancer in BRCA mutation carrier?
By more than 90%
Which BRCA mutation is most associated with ER -tumours?
BRCA 1 (it’s a - on its side)