Dogs Aid in the Fight Against Breast Cancer

breast cancer on dogs Dogs Aid in the Fight Against Breast Cancer
Breast Cancer

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

Breast cancer is represented macroscopically nodular and diffuse forms, along with cancer from the nipple along with the nipple of the field (Paget's disease in the breast). For the nodular cancers are seen as a the node developing a diameter as high as several centimeters. In some cases, a decent knot, is permeated with whitish layers tissue penetrating into the surrounding fat, in other people - a soft, juicy about the cut, splits easily. Diffuse prostate type of cancer is roofed for any considerable distance, the contours of the tumor are marked bad. Sometimes the cancer invades your skin layer and forms on the surface of decaying mushroom formation - a cancerous ulcer. In some instances, the tumor spreads over the surface with the breast and all the iron is included which has a dense shell.

In histological structure are the following kinds of breast cancers:

• noninvasive: intralobular and intraduct;

• infiltrative.

Noninvasive cancer of the breast could be intralobular (lobular carcinoma in situ), and intraduct (ductal carcinoma in situ).

Infiltrating (invasive) cancer is seen as a varying examples of tissue and cell irregularities, which allowed to distinguish different amount of malignancy. This type of cancer include, specifically, infiltrating ductal and lobular carcinoma, which will gets the structure of scirrhus, and also Paget's disease.

Causes of Breast Cancer.

The factors behind breast cancer often are hormonal changes within the body: the entry into menopause, when there is an active restructuring from the hormonal regulation with the woman, the ovaries lose their activity, decreased output of progesterone and estrogen, one's body goes through, "hormonal crisis." The mammary gland and endometrium (lining with the uterus) are most attentive to these changes, the breast tissue starts to dissolve and be replaced by fat.

Scientifically established that this female hormones estrogen-, plays an integral role within the development of breast cancers. The excess hormones inside body produces a favorable background for developing the illness. The least active hormones estrogen behave when pregnant and after birth - during breastfeeding. It is proved that this birth and prolonged breastfeeding (a lot more than one year) to lessen the potential risk of developing breast cancer. On the other hand, abortion bring about hormonal "explosion" in a very woman's body that could trigger the continuing development of tumors. So far there is no consensus regarding the impact around the continuing development of tumors of hormonal contraceptive drugs, but it's believed that these drugs reduce the potential risk of developing cancer of the breast, but increase the chance of developing cancer in the female genital organs, and osteoporosis. In addition predisposition to cancer of the breast can cause harmful environmental factors: the planet, along with inflammatory diseases previously deferred breast - mastitis.

In addition, patients having a family of first-degree relatives with cancer of the breast (mothers and sisters) likelihood of creating a tumor increasing by more than half - familial forms of cancer.

Benign breast diseases like fibrocystic breast disease, or fibroadenoz intraduct papillomatosis alone do not cause cancer, but at the same time, create an unfavorable background because of its development.

The reason behind breast cancer could be the results of radiation, like irradiation of 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 from the breast and female reproductive :, with the excess fatty tissue inside body, it might be an outside endocrine organ and actually starts to actively produce hormones-estrogens, whose action and provokes the progression 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 a dense knot of 0.5 to 5 cm or even more, it really is characterized by all from the following symptoms;

- Diffuse. All of them are very aggressive, grow quickly, almost lightning speed, the tumor without any clear boundaries, "spreading" in the breast and skin. For the first 2 forms are characteristic signs of inflammation: pain of the breast, a bright red color with the skin it raises body's temperature to 39 degrees C. In view of such symptoms often occur, and errors in proper diagnosis of patients treated for inflammatory diseases, which are named and therefore are known as these forms cancer of the breast. When tubular carcinoma breast cancer cover like a "skin" of the contracting and decreasing in size.

In certain cases, breast cancers manifests within the form of metastases in the lymph nodes about the affected side, often does not detect the tumor itself - show hidden breast cancer.

For small tumors in the breast, any symptoms arise. The most observant women and their husbands can easily detect tumor site in the gland by chance, but in the large breast to detect small size hard knot. Revealed a knot can be painful when pressed, round, smooth and agile, this speaks in support of a benign tumor. Signs of malignancy other: a decent knot to touch the stone, its surface is uneven, it is stationary or slightly shifted, may be firmly fixed for the surrounding tissue or skin, usually painless, can reach a substantial size (greater than 3 to 5 cm and sometimes 10-15 cm).

Need to gauge the surface in the skin in the tumor: the malignant process will likely be observed retraction of the skin, buying inside folds, wrinkles, a symptom of "lemon peel" - a nearby swelling from the skin within the tumor, can be a direct tumor invasion to the skin surface, then it becomes a bright beautiful red colors and sprawl as "cauliflower."

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