Breast MRI Mayo Clinic

breast cancer on mri Breast MRI Mayo Clinic
Breast Cancer

Among all cancers in ladies, he takes the first place. In most cases, breast cancers develops inside the presence of precancerous changes. This is primarily a benign mammary dysplasia and papilloma ducts.

Breast cancer is represented macroscopically nodular and diffuse forms, in addition to cancer in the nipple and the nipple from the field (Paget's disease in the breast). For the nodular cancers are characterized by the node having a diameter up to several centimeters. In some instances, a tight knot, is permeated with whitish layers tissue penetrating in the surrounding dimply skin, in other people - a soft, juicy about the cut, splits easily. Diffuse cancer of the prostate is included for any considerable distance, the contours in the tumor are marked bad. Sometimes the cancer invades the skin and forms for the surface of decaying mushroom formation - a cancerous ulcer. In certain cases, the tumor spreads across the surface with the breast and all sorts of the iron is roofed with a dense shell.

In histological structure would be the following forms of breast cancer:

• noninvasive: intralobular and intraduct;

• infiltrative.

Noninvasive breast cancers may be intralobular (lobular carcinoma in situ), and intraduct (ductal carcinoma in situ).

Infiltrating (invasive) cancer is seen as varying levels of tissue and cell irregularities, which allowed to distinguish different level of malignancy. This type of cancer include, particularly, infiltrating ductal and lobular carcinoma, which will has the structure of scirrhus, as well as Paget's disease.

Causes of Breast Cancer.

The factors behind cancer of the breast often are hormonal changes in the body: the entry into menopause, if you have a dynamic restructuring in the hormonal regulation from the woman, the ovaries lose their activity, decreased output of progesterone and estrogen, one's body will go through, "hormonal crisis." The mammary gland and endometrium (lining in the uterus) are most responsive to these changes, the breast type tissue begins to dissolve and become replaced by fat.

Scientifically established that this female hormones estrogen-, plays a key role inside continuing development of cancer of the breast. The excess hormones inside body results in a favorable background for developing the condition. The least active hormones estrogen behave in pregnancy and after birth - during breastfeeding. It is proved how the birth and prolonged breastfeeding (greater than one year) to cut back the chance of developing breast cancer. On the other hand, abortion result in hormonal "explosion" in a very woman's body that may trigger the growth and development of tumors. So far there's no consensus concerning the impact around the continuing development of tumors of hormonal contraceptive drugs, but it is thought that these drugs reduce potential risk of developing breast cancer, but increase potential risk of developing cancer of the female genital organs, and osteoporosis. In addition predisposition to breast cancers may cause harmful environmental factors: environmental surroundings, and also inflammatory diseases previously deferred breast - mastitis.

In addition, patients with a group of first-degree relatives with cancer of the breast (mothers and sisters) probability of developing a tumor increasing by a lot more than half - familial forms of cancer.

Benign breast diseases including fibrocystic breast disease, or fibroadenoz intraduct papillomatosis alone do not lead to cancer, but concurrently, create an unfavorable background due to the development.

The reason for breast cancer may be the results of radiation, for example irradiation with the chest for other diseases (lung tumors, the lymphatic system), prolonged and frequent chest X-ray studies on inflammatory diseases or pulmonary tuberculosis.

Constitutional obesity can lead to cancer with the breast and female reproductive system, by having an excess fat inside the body, it is a different endocrine organ and starts to actively produce hormones-estrogens, whose action and provokes the progression of tumors.

Symptoms of Breast Cancer

There are several forms in the growth of breast cancer:

- Nodular form, the commonest, is seen as an a dense knot of 0.5 to 5 cm or maybe more, it can be seen as an all in the following symptoms;

- Diffuse. All of them are very aggressive, grow quickly, almost lightning speed, the tumor without having clear boundaries, "spreading" in the breast and skin. For the initial two forms are characteristic signs of inflammation: pain of the breast, a bright beautiful red colors in the skin it raises temperature to 39 degrees C. In view of these symptoms often occur, and errors in proper diagnosis of patients treated for inflammatory diseases, which are named and they are known as these forms breast cancer. When tubular carcinoma cancer of the breast cover as being a "skin" of the contracting and decreasing in dimensions.

In some cases, breast cancers manifests in the form of metastases inside lymph nodes on the affected side, often fails to detect the tumor itself - show hidden breast cancer.

For small tumors from the breast, any symptoms arise. The most observant as well as their husbands can easily detect tumor site inside gland by accident, but in a very large breast to detect small size hard knot. Revealed a knot may be painful when pressed, round, smooth and agile, this speaks for a benign tumor. Signs of malignancy other: a good knot to touch the stone, its surface is uneven, it's stationary or slightly shifted, could be firmly fixed for the surrounding tissue or skin, usually painless, can reach an important size (more than 3 to 5 cm and infrequently 10-15 cm).

Need to gauge the surface of the skin within the tumor: the malignant process will probably be observed retraction with the skin, buying inside folds, wrinkles, a signal of "lemon peel" - a neighborhood swelling in the skin on the tumor, is often a direct tumor invasion to the skin surface, then it becomes a bright red color and sprawl as "cauliflower."

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