Breast Screening

Question 1

main factors for breast cancer are female sex (more than 99% of cases of breast cancer occur in women) and advancing age

Answer 1

True

Question 2

nulliparity and longer intervals between menarche and age at first birth are associated with an increased risk of hormone receptor-positive breast cancer
older age at first birth, older age at menopause, and younger age at menarche
positive breast cancer, and breastfeeding is associated with a reduced risk of hormone receptor-positive breast cancer and triple-negative breast cancer (ie, estrogen-receptor negative, progesterone negative, and ERBB2-negative [formerly HER2/Neu-negative]).

Answer 2

True

Question 3

Breast cancer risk appears to differ between postmenopausal women who use combined hormonal therapy and those who use estrogen therapy alone. In the Women’s Health Initiative randomized controlled trial, postmenopausal women taking estrogen and progestin had higher breast cancer risk during the intervention and early postintervention parts of the study. In postmenopausal women who previously had a hysterectomy and were randomized to receive estrogen alone or placebo, breast cancer risk did not appear increased

Answer 3

T

Question 4

Women with dense breasts diagnosed by mammography have a modestly increased risk of breast cancer.

Answer 4

T

Question 5

Ionizing radiation

Answer 5

Hodgkin lymphoma with therapeutic chest radiation therapy between the ages of 10 years and 30 years (and possibly as late as age 45 years) are at an increased risk of breast cancer (20–22). Girls who are treated between the ages of 10 years and 14 years appear to be at greatest risk of future development of breast cancer.

Question 6

Acog mammogram guidelines

Answer 6

Start at age 40
Annually or biennial
Continue until age 75

Question 7

Uspts

Answer 7

Start age 50
Biennial
Up to age 75

Question 8

American cancer society

Answer 8

Recommend at ate 45
Annual 40-54
Biennial age 55 and older