Oncology in dogs: symptoms, treatment, causes
Oncological diseases - one of the most complex and mysterious diseases of "civilization". These are malignant tumors, which are popularly called cancer.
Causes and localization of cancer
The occurrence of these diseases is affected by differentFactors: region of residence, breed and age of the dog. For a long time, the connection of environmental factors with the incidence of tumors has been noted. What was traced in examples of the cities of Hiroshima, Nagasaki and Chernobyl.
Modern oncologists adhere toA multifarious hypothesis of the appearance of tumors. The main reasons are: genetic predisposition, reduced immunity of the organism, prolonged tissue irritation with chemical, physical and biological agents, chronic ulcers, inflammations, cracks. Also, some viruses, various sources of radiation and contamination of food with mycotoxins are dangerous.
As for the breed predisposition,It is noticed that shepherds and boxers are more often ill with lymphosarcoma and leukemia than dogs of other breeds. In northern Europe and the United States, leukemia often occurs in Boston terriers, cocker spaniels, fox terriers and poodles.
In general, in dogs of all breeds most oftenThere is a cancer of the skin and mammary glands (especially in those who did not give birth to 5-6 year old females). Especially they are exposed to dogs of large breeds: Caucasian and Central Asian sheep-dogs, St. Bernards. Exceptionally rare is the cancer of the digestive tract.
Symptoms of oncology in dogs
Symptoms of cancerDepend on the affected organ. In these places can be probed neoplasm. However, not every tumor can be noticeable. Nevertheless, there are general signs that something is amiss with the dog's body.
If there is skin cancer on the animal's bodyAppear non-healing ulcers. With problems in the digestive and excretory systems, it can cause an unpleasant odor from the mouth, chronic diarrhea or vomiting. Possible problems with urination and defecation, swallowing.
If the respiratory organs are affected, the dog can cough and it is difficult to breathe, bleeding will appear from the mouth. When problems with joints, she begins to limp, there is a strong stiffness in the movements.
Also a common symptom is a lack of appetite and a sharp decrease in weight.
Treatment of oncology in dogs
- Principal methods of oncology treatment are operative tumor removal in dogs, chemo and radiation therapy, as well as immunotherapy.
- With the help of the operation, the tumor itself is removed. The patient is carefully prepared for the operation, strengthening the body weakened by the disease.
- Therapy is necessary as an auxiliary method,Which are struggling with metastasized cells. The less metastases in the body and the closer they are to the tumor, the more likely a cure or, at least, the prolongation of normal life to the dog. If the metastases spread far from the tumor, the disease becomes incurable.
In addition, it should be borne in mind that up to 60% of malignant tumors reappear at the same place.