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Illustration of venereal granulomata on a dog's penis. A canine transmissible venereal tumor (CTVT), also known as a transmissible venereal tumor (TVT), canine transmissible venereal sarcoma (CTVS), sticker tumor and infectious sarcoma, is a histiocytic tumor of the external genitalia of the dog and other canines, and is transmitted from animal to animal during mating.
A mastocytoma in dogs (or mast cell tumor in dogs) is a neoplasm originating from mast cells in the domestic dog, which occurs mainly in the skin and subcutis. Mastocytoma are not only extremely common in dogs, but also tend to be much more malignant in them than in other animal species.
However, unlike pilonidal sinus in humans, the dermoid sinus in dogs is a neural tube defect. [1] Dermoid sinus is sometimes also confused with dermoid cyst (a teratoma). A dermoid sinus is rare in dogs and cats. It can appear as single or multiple lumps on the dorsal midline. The sinus is caused in the embryonic stage of development.
Antifreeze* is very dangerous to dogs and causes central nervous system depression and acute kidney injury. Treatment needs to be within eight hours of ingestion to be successful. [174] See Ethylene glycol poisoning. Mouse and rat poison* ingestion is common in dogs. Most rodenticides in the United States are anticoagulant by depleting vitamin ...
Although symptoms can be mild, in some dogs this can become gangrenous mastitis and lead to death. The puppies most commonly die, but when a dog develops gangrenous mastitis, death is more common (2).
When cysts are swallowed, they cause infections by excysting (releasing the trophozoite stage) in the digestive tract. The pathogenic nature of E. histolytica was first reported by Fedor A. Lösch in 1875, [ 1 ] but it was not given its Latin name until Fritz Schaudinn described it in 1903.
Dogs are one of three mammalian species that are known to suffer from a transmissible cancer. [7] Canine transmissible venereal tumor (CTVT) is species specific and highly contagious. [ 7 ] The cancerous cell lines are transmitted between individuals that are in close contact with each other through acts of intercourse, biting, scratching, or ...
Genus Besnoitia infects cats that ingest cysts in the tissue of rodents and opossums, but usually do not cause disease. [9] Genus Sarcocystis infects carnivores that ingest cysts from various intermediate hosts. Sarcocystis may cause disease in dogs and cats. [9] Genus Toxoplasma has one important species, T. gondii. Cats are the definitive ...