GYN Oncology, Breast Flashcards
What are the categories of benign breast lesions?
- Nonproliferative
- Proliferative
- Atypical hyperplasia
What is an example of a nonproliferative benign breast lesion?
Breast cyst
What is an example of a proliferative benign breast lesion?
Fibroadenoma
Intraductal papilloma
What is an example of atypical hyperplasia benign breast lesion?
Atypical ductal hyperplasia
Atypical lobular hyperplasia
What is a breast cyst?
benign fluid filled sac in the breast
What is a fibroadenoma?
Benign tumor of the breast composed of glandular and stromal connective tissue
What is a intraductal papilloma?
Benign breast lesion that consists of wart like lump that develops in 1 or more milk ducts
What is atypical ductal hyperplasia?
Atypical ductal hyperplasia is a premalignant proliferative breast lesion with high risk of ductal carcinoma in situ or invasive breast cancer
What is atypical lobular hyperplasia?
Atypical lobular hyperplasia is a premalignant proliferative breast lesion with high risk invasive breast cancer
What is BIRADS category 0?
Incomplete, additional testing needed
What is BIRADS category 1?
Negative, 0% likelihood of cancer, routine imaging
What is BIRADS category 2?
Benign, 0% likelihood of cancer, routine imaging
What is BIRADS category 3?
Probably benign, 0-2% likelihood of cancer, 6 month follow up
What is BIRADS category 4?
Suspicious
4A= low, >0%<10%
4B= >10%<50%
4C= >50%<95%
Tissue diagnosis
What is BIRADS category 5?
Highly suggestive of malignancy
>95% likelihood of cancer
Tissue diagnosis
What is the lifetime risk of breast cancer?
12%