Dogs Get Breast Cancer Too!: Dogs Get Breast Cancer Too

breast cancer on dogs Dogs Get Breast Cancer Too!: Dogs Get Breast Cancer Too
Breast Cancer

Among all cancers in women, he takes the first place. In most cases, breast cancer 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, as well as cancer from the nipple as well as the nipple with the field (Paget's disease in the breast). For the nodular cancers are seen as a the node having a diameter as high as several centimeters. In some cases, a strong knot, is permeated with whitish layers tissue penetrating in to the surrounding fat, in other people - a soft, juicy on the cut, splits easily. Diffuse cancer of the prostate is covered to get a considerable distance, the contours in the tumor are marked bad. Sometimes the cancer invades the skin and forms around the surface of decaying mushroom formation - a cancerous ulcer. In some instances, the tumor spreads across the surface of the breast and all the iron is roofed using a dense shell.

In histological structure include the following varieties of breast cancer:

• noninvasive: intralobular and intraduct;

• infiltrative.

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

Infiltrating (invasive) cancer is characterized by varying levels of tissue and cell irregularities, which in a position to distinguish different level of malignancy. This type of cancer include, specifically, infiltrating ductal and lobular carcinoma, which often has got the structure of scirrhus, and also Paget's disease.

Causes of Breast Cancer.

The factors behind breast cancer often are hormonal changes inside the body: the entry into menopause, when there is an engaged restructuring in the hormonal regulation of the woman, the ovaries lose their activity, decreased production of progesterone and estrogen, our bodies is going through, "hormonal crisis." The mammary gland and endometrium (lining of the uterus) are most attentive to these changes, the breast growth starts to dissolve and be replaced by fat.

Scientifically established that the female hormones estrogen-, plays a key role in the continuing development of breast cancers. The excess hormones in the body results in a favorable background for developing the sickness. The least active hormones estrogen behave during pregnancy and after birth - during breastfeeding. It is proved how the birth and prolonged breastfeeding (over 12 months) to relieve the risk of developing breast cancer. On the other hand, abortion bring about hormonal "explosion" in the woman's body that may trigger the development of tumors. So far there isn't any consensus concerning the impact for the growth and development of tumors of hormonal contraceptive drugs, yet it's belief that these drugs reduce potential risk of developing breast cancer, but increase the chance of developing cancer with the female genital organs, and osteoporosis. In addition predisposition to breast cancers may cause harmful environmental factors: environmental surroundings, along with inflammatory diseases previously deferred breast - mastitis.

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

Benign breast diseases for example fibrocystic breast disease, or fibroadenoz intraduct papillomatosis alone don't bring about cancer, but simultaneously, create an unfavorable background because of its development.

The cause of breast cancer may be the connection between radiation, like irradiation from 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 cause cancer with the breast and female the reproductive system, by having an excess fatty tissue within the body, it becomes a different 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 many forms from the growth of breast cancer:

- Nodular form, the most frequent, is seen as an a dense knot of 0.5 to cm or more, it really is characterized by all of the following symptoms;

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

In some instances, cancer of the breast manifests inside form of metastases within the lymph nodes for the affected side, often doesn't detect the tumor itself - show hidden breast cancer.

For small tumors from the breast, any symptoms arise. The most observant females and their husbands have the ability to detect tumor site inside the gland by accident, but in the 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 is stationary or slightly shifted, can be firmly fixed towards the surrounding tissue or skin, usually painless, can reach an important size (a lot more than three to five cm and often 10-15 cm).

Need to gauge the surface from the skin over the tumor: the malignant process will be observed retraction of the skin, obtaining inside folds, wrinkles, a symptom of "lemon peel" - a neighborhood swelling with the skin on the tumor, can be a direct tumor invasion to your skin layer surface, then it will become a bright red colorization and sprawl as "cauliflower."

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