Breast Pathology, Diagnosis by Needle Core Biopsy
Breast cancer is a malignant tumor that starts in the cells of the breast. A malignant tumor is a group of cancer cells that can grow into invade surrounding tissues or spread metastasize to distant areas of the body. The disease occurs almost entirely in women, but men can get it, too. The remainder of this document refers only to breast cancer in women. For information on breast cancer in men, see our document, Breast Cancer in Men.
Sinonimele și antonimele ductal în dicționarul de sinonime Engleză
The normal breast To understand breast cancer, it helps to have some basic knowledge about the normal structure of the breasts, shown in the diagram below.
The female breast papilloma dcis made up papilloma dcis of lobules milk-producing glandsducts tiny tubes that carry the milk from the lobules to the nippleand stroma fatty tissue and connective tissue surrounding the ducts and lobules, blood vessels, papilloma dcis lymphatic vessels. Most breast cancers begin in the cells that line the ducts ductal cancers. Some begin in the cells that line the lobules lobular cancerswhile a small number start in other tissues.
The lymph lymphatic system of the breast The lymph system is important to understand because it is one way breast cancers can spread.
This system has several parts. Lymph nodes are small, papilloma dcis collections of immune system cells cells that are important in fighting infections that are connected by lymphatic vessels. Lymphatic vessels are like small veins, except that they carry a clear fluid called lymph instead of blood away from the breast.
Lymph contains tissue fluid and waste products, as well as immune system papilloma dcis. Breast cancer cells can enter lymphatic vessels and begin to papillomavirus gorge homme in lymph nodes. Most lymphatic vessels in the breast connect to lymph nodes under the arm axillary nodes.
papilloma dcis Some lymphatic vessels connect to lymph nodes inside the chest internal mammary nodes and papilloma dcis either above or below the collarbone supraclavicular or infraclavicular nodes.
If the cancer cells have spread to lymph nodes, there is a higher chance that the cells could have also gotten into the bloodstream and spread metastasized to other sites in the body.
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The more lymph nodes that have breast cancer, the more likely it is that the cancer may be found in other organs as papilloma dcis. Because of this, finding cancer in one or more lymph nodes often affects the treatment plan. Papilloma dcis, not papilloma dcis women with cancer cells in their lymph papilloma dcis develop metastases, and some women can have no cancer cells papilloma dcis their lymph nodes and later develop metastases.
Benign breast lumps Most breast lumps are not cancerous benign.
Înțelesul "ductal" în dicționarul Engleză
Still, some may need to be sampled and viewed under a microscope papilloma dcis prove they are not cancer. Fibrocystic changes Most lumps turn out to be fibrocystic changes.
The term fibrocystic refers to fibrosis and cysts.
Fibrosis is the formation of scar-like fibrous tissue, and cysts are fluid-filled sacs. Fibrocystic changes can cause breast swelling and pain.
The normal breast
Papilloma dcis breasts may feel lumpy and, sometimes, she may notice a clear or slightly cloudy nipple discharge. Other benign breast lumps Benign breast papilloma dcis such as fibroadenomas or intraductal papillomas are abnormal growths, but they are not papilloma dcis and do not spread outside the breast to other organs.
They are not life threatening. Still, some benign breast conditions are important because women with these conditions have a higher risk of developing breast cancer.
General breast cancer terms Here are some of the key words used to describe breast cancer. Carcinoma This is a term used to describe a cancer that begins in the lining layer epithelial cells of organs like the breast. Nearly all breast papilloma dcis are carcinomas either ductal carcinomas or papilloma dcis carcinomas. Adenocarcinoma An adenocarcinoma is a type of carcinoma that starts in glandular tissue tissue that makes and secretes a substance.