Unit 8 - Breast Cancer Flashcards
_____ out of _____ women have breast cancer
1 out of 8
Most common cancer in women in US other than skin cancer
breast cancer
2nd leading cause of cancer related death in women in US
breast cancer
T/F: death rates are going down since 1989 (early detection)
T
Breast Cancer begins as a single, transformed cell, often _____ dependent
hormone
T/F: breast cancer may remain noninvasive, without spreading (metastasizing) for long periods of time
T
Categories of breast cancer:
- carcinoma of mammary ducts
tiny tubes that carry milk from lobules to nipples
Categories of breast cancer:
- carcinoma of mammary lobules
milk producing glands
Carcinoma of mammary ducts:
- invasive (or infiltrating) ductal carcinoma (IDC) grown out of ducts =
into nearby breast tissue
Carcinoma of mammary lobules:
- invasive (or infiltrating) lobular carcinoma (ILC) grown out of…
the lobules and into the nearby breast tissue
Sarcoma of the breast:
- most _____/many histological types
- terminal section of breast _____ _____
- can metastasize to other sites -> _____ or _____ system
- most adenocarcinomas/many histological types
- terminal section of breast ductal tissue
- can metastasize to other sites -> bloodstream or lymphatic system
Lifetime risk of men getting breast cancer
1/10th of 1% = 1 into 1,000
Over _____ men die from breast cancer in the US each year
400
Staging system of classifying breast cancer
TNM
- Tumer: size
- Nodes: lymph node involvement
- Metastasis: distant
TNM provides important information for decision making about _____ _____
treatment options
TNM is used as basis for _____
prognosis
Two breast cancer susceptibility genes
- BRCA1
- BRCA2
BRCA1 and BRCA2 are both known as _____ _____ _____
tumor suppressor genes
_____-_____% of women with breast cancer though to be hereditary
5-10%
Inherited gene mutations are in every cell of the body and can be passed on to children. These mutations can increase the risk for developing cancer and are responsible for the cancers that run in some families. For example, the BRCA genes (BRCA1 and BRCA2) are tumor suppressor genes. Mutations in these genes can be inherited from parents. When they are mutated, they no longer _____ _____ _____, and cancer is (less, more) likely to develop.
suppress abnormal growth
more