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  #1  
Old 07-22-2012
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Stats Breast Cancer Risk Factors!

A 50-year-old nulliparous woman with a history of early menarche and 10-year oral contraceptive use and a family history of breast cancer is concerned about her risk for developing breast cancer. Which aspect of her history is most important in determining her risk of developing cancer?

a) Early menarche
b) Estrogen use
c) Family history
d) Increasing age
e) Nulliparity
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Family history..
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Old 07-22-2012
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family history would be my choice
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Quote:
Originally Posted by anomali View Post
family history would be my choice
That's what I thought... but unfortunatelly... go fish...
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Old 07-22-2012
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Older age is the primary risk factor for breast ca
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I guess is E?
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Old 07-22-2012
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Originally Posted by eveli55 View Post
I guess is E?
yes.... it is
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Originally Posted by Dr. Mexito View Post
yes.... it is
@ Dr. Mexito -No, it's not go fish...
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Old 07-22-2012
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This is what USMLE is all about...Never mark your answer before you have read the stem of the question and every answer.

Family history is the most common risk factor of breast cancer in women who bear offspring.

But in nulliparous women (i-e not bearing offspring) nulliparity is the highest risk factor for breast cancer.:co nfused:

Please correct me if I am wrong...I am totally confused.
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Old 07-22-2012
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Quote:
Originally Posted by Casandra View Post
That's what I thought... but unfortunatelly... go fish...
whats the answer than?
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According to MTB 3, i think increasing age, D
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Old 07-22-2012
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definitely family hx

@casandra
maybe u should submit the question for them to correct..lol
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Old 07-22-2012
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Age is the most significant risk factor for breast cancer, with breast cancer being rare in women younger than 25 years. Incidence increases with increasing age, with a plateau in women aged 50-55 years.
http://emedicine.medscape.com/articl...57-overview#a1

Well, we all learn everyday. thanks casandra, you're on a roll today with all these questions.
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Quote:
Originally Posted by Casandra View Post
A 50-year-old nulliparous woman with a history of early menarche and 10-year oral contraceptive use and a family history of breast cancer is concerned about her risk for developing breast cancer. Which aspect of her history is most important in determining her risk of developing cancer?

a) Early menarche
b) Estrogen use
c) Family history
d) Increasing age
e) Nulliparity
I not understand why the answer is different when in the question they mentioned the woman has a family history of breast cancer, if you can please post the explanation
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Old 07-27-2012
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Default correct answer :)

Option D (Increasing age) is correct. The greatest factor for breast cancer is gender followed by increasing age caused by increased lifespan. Of women diagnosed, 18% are 40 to 49 years of age, and 77% are diagnosed when they are older than 50 years of age.

Option A (Early menarche) is incorrect. Women who began menstruating before 12 years of age or who went through menopause after 55 years of age have a slightly higher risk of breast cancer.

Option B (Estrogen use) is incorrect. Women using oral contraceptives have a slightly greater risk of breast cancer than women who have never used them. Hormone replacement therapy (HRT) for several years after menopause, particularly estrogens and progesterone combined increase the risk of breast cancer.

Option C (Family history) is incorrect. Only 20% to 30% of women with breast cancer have a family member with breast cancer.

Option E (Nulliparity) is incorrect. Having no children or having a first child after 30 years of age increases the risk of breast cancer slightly. Multiple pregnancies and pregnancy at an early age reduces breast cancer risk.
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Biostatistics-Epidemiology, Pathology-, Step-1-Questions

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