Ductile breast cancer develops within the breast ducts, which are the glandular tubes connecting the nipple to the milk-producing lobules of the breast. It is the most prevalent type of breast cancer, with around 20 percent of new breast cancer...
Ductal carcinoma in situ, also called DCIS, is a relatively mild form of breast cancer, accounting for around 25 percent of breast cancer cases, according to Imaginis.com. The disease is characterized by abnormal cell growth within a breast duct,...
Though nearly 99 percent of all new cases of breast cancer affect women, men are still susceptible to developing this form of cancer, explain health professionals with the Ohio State University Medical Center. Men who have a family history of...
The breasts are hormonally regulated tissues with the primary function of lactation to feed the young. The breasts undergo tightly regulated developmental cycles throughout life that control the growth of milk ducts, secretion of milk and...
Each breast contains a series of milk ducts, which make up a part of breast glandular tissue. These tubes run from the milk-producing breast lobules to the nipple, allowing for lactation and breastfeeding. A dilated duct occurs when the diameter...
There are a number of types of breast cancer, which are categorized according to their originating cell type and aggressiveness. Ductal carcinoma of the breast is a very common type of invasive breast cancer that originates from the ducts of the...
One in eight women will have breast cancer, according to the National Institutes of Health website Medline Plus. This type of cancer often originates in the milk-producing lobules of the breast, or milk ducts, though more rare types of breast...
After a diagnosis of breast cancer, staging takes place. Staging categorizes the spread of the cancer based on standardized guidelines, depending on tumor size, lymph node involvement and any metastasis, which means spreading to other organs....
According to the National Institutes of Health (NIH), "a pituitary tumor is an abnormal growth in the pituitary gland, the part of the brain that regulates the body's balance of hormones." When the normal output of hormones is altered, it can...
The breasts are hormonally-responsive organs that support lactation and breastfeeding after pregnancy. Breast development involves a number of carefully choreographed cycles of breast cell growth and maturation, which are governed by a number of...
With your doctor, identify any medication or supplement that could be causing the nipple problem known as galactorrhea, a milky fluid discharge. This discharge may be produced by your blood pressure medication, an antidepressant, a tranquilizer,...
Breast cancer occurs when normal breast cells mutate and gain the ability to proliferate uncontrollably, forming a tumor. Breast cancer cases are staged and characterized according to the cell type they originated from, the invasiveness of the...
Breast cancer can affect both men and women and is caused by the abnormal presence of cancerous cells within the tissues of the breast. The National Cancer Institute estimates that over 190,000 women were diagnosed with breast cancer in 2009. If...
Propecia (finasteride) is an oral medication intended for the treatment of specific forms of male pattern baldness in men. Propecia decreases the levels of DHT (5α-dihydrotestosterone), the primary cause of hair loss in men. Women should not...
Papillomas are benign abnormal growths within the milk ducts of the breast, the tubes that connect the glandular breast lobules to the nipple. Women with intraductal papillomas typically experience abnormal nipple discharge, along with pain in the...
The breasts respond to circulating hormones to undergo cycles of growth and development throughout life. Breasts contain a series of lobules, which mature to produce milk during lacatation. Breast ducts connect the lobules to the nipple. The ducts...
Mammograms are a type of breast cancer screening test using low doses of radiation. These tests are important for detecting changes in breast tissue that may signal cancer, although there are some risks and disadvantages to the procedure. A woman...
An aggressive cancer of the breast ducts, called invasive ductal carcinoma, is the most common form of breast cancer, accounting for four out of five breast cancer diagnoses, according to Johns Hopkins Medicine. The cancer usually develops as a...
Ortho Micronor (norethindrone) is a birth-control pill used to prevent pregnancy. It can also treat endometriosis, a condition in which your uterine lining grows outside of your uterus. According to Drugs.com, Ortho Micronor prevents ovulation...
The breasts are made up of glandular tissue organized into lobules and ducts, surrounded by fat, lymph nodes, ligaments, nerves and blood vessels. Each breast is surrounded by a large number of lymph nodes, including a number of lymph nodes in the...
Each breast contains extensive branched glandular tissue, containing milk-secreting lobules that connect to the nipple via a series of ducts. During pregnancy, changes in hormone levels lead to the secretion of milk through the nipple. Nipple...
Prolactin is a hormone released from the anterior pituitary gland that stimulates milk production in the breast. Hyperprolactinemia, or high blood prolactin, is normal in pregnancy because milk production is necessary for the nursing of a newborn....
Gastroesophageal reflux disease, or GERD, is a condition where stomach contents "reflux," or back up, into the esophagus, producing uncomfortable symptoms such as heartburn, acid taste in the mouth and chest pain. These symptoms can lead to...
Invega is a prescription medication that contains the active ingredient paliperidone, a type of atypical antipsychotic. This medication is indicated to alleviate symptoms associated with a mental illness called schizophrenia. Invega works by...
