Please describe the mode of inheritance of breast cancer?

Autosomal Dominant. As many as 10-15% of breast cancers in the us are believed to be hereditary. These are linked to mutations of a particular group of genes called the brca genes. There is a simple blood test to check to see if someone has a brca mutation. There is a 50:50 chance of inheriting this from either parent. If a woman inherits this gene, there's a 50-75% chance of breast ca; men will have <10% risk.
Breast cancer risk. More than 80% of breast cancers are not considered inheritable. Those that are can come from either side of your family. Maternal history is generally considered a higher risk.

Related Questions

Would you please help describe the usual cancer places after having breast cancer?

Breast cancer. Metastasizes commonly to lungs, liver, bone, and brain. Local recurrences in scar or axilla can occur. Also, the other breast can develop cancer. Read more...

Can you please explain breast cancer?

Uncontrolled growth. Uncontrolled cell growth in the breast typically of ductal or lobular origin. Read more...
Cancer of the breast. Cancer that forms in tissues of the breast, usually the ducts (tubes that carry milk to the nipple) and lobules (glands that make milk). It occurs in both men and women, although male breast cancer is rare. Read more here : http://cancer.Gov/cancertopics/wyntk/breast. Read more...
Type of cancer. Breast cancer is a type of cancer which originates from breast tissue. Read more...
Unregulated growth. Cancer by definition is the growth in size and number in an unregulated manner of a cell line that has developed a mutation. The mutation is passed through the offspring which accumulate more and more mutations. The defining factor is that the cells act immortal as compared to normal cells that have a programmed lifespan. In the breast this can occur in the cells in different lobules or ducts. Read more...
DCIS-Stage IV cancer. Breast cancer is synonymous with breast carcinoma and occurs in either the breast ducts or lobules commonly. Breast cancer ranges from dcis which is the mildest form to a large primary breast tumor with extensive spread all over the body. At age 23 it would be unusual to have this disease. If you have a strong family history or a breast lump that you are concerned about see your pcp or breast md. Read more...

Help please! Is breast cancer painful?

Sometimes. Breast cancer is usually diagnosed at the time of a screening mammogram before it has reached a size detectable by palpation; when that small, it is rarely painful. Once the cancer has grown to the point where it can be palpated, it still may not be painful, depending on its location in the breast and how rapidly it's growing. Read more...
Usually not, but... Most breast cancers are not painful, with some exceptions. A rare type of breast cancer can be very painful. This is called inflammatory breast cancer (ibc). Many doctors aren't aware of ibc, so it's important you know about it! if you develop severe pain, redness, swelling, bruising, or dimpling in your breast or armpit area, see a doctor immediately! and ask "could this be ibc?". Read more...
Maybe. In general.. No.. Breast cancer is typically a painless palpable lump or it's a mammographical painless finding. Inflammatory breast cancer is an aggressive variant that can be painful as it involves the skin. Advanced cancer that has grown into the skin or chest wall can also be painful. Read more...

Describe the features of a breast cancer.?

Possibilities? Hi, I am going to answer this based on a patient's own observations not what could be detected by a mammogram ultrasound, mri, biopsy.Any lump in your breast nontender or tender (could be either), inverted or change in nipple, nipple discharge esp one sided, different "feelings" in one breast more than another, lumps in armpits, or above your collarbone, rashes on your breasts, painful nipples-more. Read more...
Variable. If one gets a breast cancer, hopefully it would be found on a mammogram before any mass becomes felt in the breast. There are 2 main types of invasive breast cancer, lobular and ductal. There is also non-invasive in situ cancer. Breast cancer can spread to lymph nodes. Surgery is used to remove the lump in small cancers, chemotherapy is sometimes needed. Mastectomy surgery is not used as commonly. Read more...

Please tell me the signs of breast cancer?

Varies. Often no signs - if picked up on mammogram. Otherwise a growing mass in the breast, or lung in the armpit, nipple discharge or inversion, edema of the breast, or redness of the breast. Read more...
Breast cancer sx’s. can include a mass. Masses that are painless, irregular & hard are more suggestive of cancer but they can also be tender, painful & soft. Swelling of breast; thickened, red, skin; non-milky nipple discharge; new retraction of nipple, puckering or irritation of skin or pain & sometimes swollen lymph nodes under arm(s). Seek med eval if you have suspicious symptoms. Read more...

I'm concerned about breast cancer. Please help?

Go to this. Go to this link for a more thorough answer than i can give you in this space: http://www.Mayoclinic.Com/health/breast-cancer/ds00328/dsection=symptoms and of course, you should see your doctor if you are concerned, asap. Read more...
Do you have risk. Factors for breast cancer? Cancer risk factors include: being female, increasing age, genetics, family history of breast cancer, previous breast cancer, being caucasian, dense breast tissue, some previous benign breast conditions, never having given birth or 1st child after age 30, early menarche, late menopause, radiation (chest), exposure to diethylstilbestrol, hormone replacement after >. Read more...

Please explain what are causes of breast cancer?

See below. The exact answer is not known. The likely factors are hereditary/genetics, hormones, obesity, alcohol and may be diet and lack of excercise. Please see this site for more info. http://www.webmd.com/breast-cancer/guide/breast-cancer-overview-facts. Read more...

Please tell me what's the signs of breast cancer?

May include. •a breast lump or thickening that feels different from the surrounding tissue •bloody discharge from the nipple •change in the size or shape of a breast •changes to the skin over the breast, such as dimpling •inverted nipple •peeling, scaling or flaking of the nipple or breast skin •redness or pitting of the skin over your breast, like the skin of an orange if concerned, best evaluated by surgeon. Read more...