Ovarian Cancer in Dogs

Common info

There are 3 main kinds of ovarian tumors in dogs: epithelial tumors, germ cell tumors, and stromal tumors. The common symptoms of ovarian cancer in dogs include fever, lethargy, loss of appetite, weight loss, breathing difficulty, and vaginal discharge, etc.

History

The cause of ovarian cancer in dogs is unknown but often associated with the old-aged and non-spayed dogs.

Description

Ovary is a vital organ in a female dog’s uterine cavity that produces eggs and female sex hormones. The tumors developed in an ovary may be either benign or malignant (cancer), which causes different effects on the body The epithelial tumors, often adenocarcinomas and papillary adenoma, influence the skins and tissues, the germ cell tumors attack the sperms and eggs. On the other hand, stromal tumors, upon malignant development, will cause an impact on the connective tissue. When pets get cancer, the cancerous tumor will start growing in the ovary, the organ from where it will spread to other parts of the body.

Symptoms

Fever
Lethargy
Loss of appetite
Weight loss
Breathing difficulty
Vaginal discharge
Excessive loss of hair
Abdominal cavity enlargement
Abdominal distension
Breast enlargement
Fluids build-up in abdominal
Fluids build-up in chest cavities
Uterine infection

The symptoms of ovarian cancer in dogs include fever, lethargy, loss of appetite, weight loss, excessive loss of hair, breast enlargement, abdominal cavity enlargement, uterine infection, vaginal discharge, breathing difficulty, fluids build-up in abdominal, intestinal distension fluids build-up in chest cavities.

Treatment and Prevention

Regularly, a surgical removal of the benign tumor can complete without a problem. However, it may be more difficult in the case of malignant tumors as this involves the chance of infection and spread to other parts of the body. Primarily, the veterinarian will have the pet spayed before removing the tumor. Along with the surgery, chemotherapy may also be applied to reduce the chance of the spread into other body organs.

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Banco, B., Ferrari, R., Stefanello, D., Groppetti, D., Pecile, A., Faverzani, S., Grieco, V. 2017. Ovarian Embryonal Carcinoma in a Dog. Journal of Comparative Pathology, 157(4), 291–295.
Polinas, M., Burrai, G. P., Marras, V., Ariu, R., Zedda, M. T., Pau, S., & Antuofermo, E. 2016. Co-occurrence of a metastatic mammary liposarcoma and an ovarian sex-cord stromal tumor in a dog. Research in Veterinary Science, 109, 157–160.
Prestes, N. C., Nogueira de Moraes, C., Maia, L., de Oliveira, I. R. S., Fabris, V. E., & Alvarenga, M. A. 2013. Ovarian Tumor in a Mare—Thecoma—Case Report. Journal of Equine Veterinary Science, 33(3), 196–200.

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