This ultrasound shows a lymph node appearing normal after chemotherapy for breast cancer Mayo

breast cancer on ultrasound This ultrasound shows a lymph node appearing normal after chemotherapy for breast cancer Mayo
Breast Cancer

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

Breast cancer is represented macroscopically nodular and diffuse forms, as well as cancer with the nipple along with the nipple with the field (Paget's disease of the breast). For the nodular cancers are seen as an the node having a diameter up to several centimeters. In some cases, a good knot, is permeated with whitish layers tissue penetrating in to the surrounding fatty tissue, in other people - a soft, juicy for the cut, splits easily. Diffuse cancer of the prostate is included for a considerable distance, the contours in the tumor are marked bad. Sometimes the cancer invades skin and forms on the surface of decaying mushroom formation - a cancerous ulcer. In certain cases, the tumor spreads along the surface with the breast and the iron is included having a dense shell.

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

• noninvasive: intralobular and intraduct;

• infiltrative.

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

Infiltrating (invasive) cancer is seen as a varying degrees of tissue and cell irregularities, which permitted to distinguish different amount of malignancy. This type of cancer include, especially, infiltrating ductal and lobular carcinoma, which usually contains the structure of scirrhus, along with Paget's disease.

Causes of Breast Cancer.

The factors behind breast cancer often are hormonal changes inside body: the entry into menopause, if you have an active restructuring of the hormonal regulation in the woman, the ovaries lose their activity, decreased production of progesterone and estrogen, the body is going through, "hormonal crisis." The mammary gland and endometrium (lining of the uterus) are most tuned in to these changes, the breast growth actually starts to dissolve and turn into replaced by fat.

Scientifically established how the female hormones estrogen-, plays a vital role in the development of breast cancer. The excess hormones in the body creates a favorable background for developing the disease. The least active hormones estrogen behave when pregnant and after birth - during breastfeeding. It is proved that this birth and prolonged breastfeeding (over 1 year) to cut back the risk of developing breast cancer. On the other hand, abortion bring about hormonal "explosion" inside a woman's body that will trigger the development of tumors. So far there isn't any consensus about the impact for the development of tumors of hormonal contraceptive drugs, however it is belief that these drugs reduce the chance of developing cancer of the breast, but increase the risk of developing cancer of the female genital organs, and osteoporosis. In addition predisposition to breast cancer might cause harmful environmental factors: the surroundings, and also inflammatory diseases previously deferred breast - mastitis.

In addition, patients having a category of first-degree relatives with cancer of the breast (mothers and sisters) likelihood of making a tumor increasing by greater than half - familial varieties of cancer.

Benign breast diseases including fibrocystic breast disease, or fibroadenoz intraduct papillomatosis alone do not bring about cancer, but concurrently, create an unfavorable background for its development.

The reason for breast cancer would be the results of radiation, for example irradiation in 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 bring about cancer with the breast and female the reproductive system, having an excess fatty tissue inside the body, it will become an outside endocrine organ and starts to actively produce hormones-estrogens, whose action and provokes the growth and development of tumors.

Symptoms of Breast Cancer

There are some forms with the growth of cancer of the breast:

- Nodular form, the most typical, is seen as a dense knot of 0.5 to five cm or maybe more, it is seen as all with 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 first two forms are characteristic warning signs of inflammation: pain with the breast, a bright red colorization in the skin it raises body's temperature to 39 degrees C. In view of those symptoms often occur, and errors in diagnosis of patients treated for inflammatory diseases, which can be named and therefore are referred to these forms cancer of the breast. When tubular carcinoma breast cancer cover like a "skin" of its contracting and decreasing in space.

In certain instances, breast cancers manifests in the form of metastases inside lymph nodes about 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 ladies and their husbands can detect tumor site in the gland by chance, but inside a large breast to detect small size hard knot. Revealed a knot could be painful when pressed, round, smooth and agile, this speaks and only a benign tumor. Signs of malignancy other: a tight knot to touch the stone, its surface is uneven, it can be stationary or slightly shifted, may be firmly fixed to the surrounding tissue or skin, usually painless, can reach a significant size (over 3 - 5 cm and infrequently 10-15 cm).

Need to evaluate the surface in the skin on the tumor: the malignant process will be observed retraction from the skin, buying inside folds, wrinkles, a signal of "lemon peel" - a nearby swelling in the skin on the tumor, is often a direct tumor invasion to the skin surface, then it might be a bright beautiful red colors and sprawl as "cauliflower."

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