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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.
An anal sac adenocarcinoma is an uncommon and aggressive malignant tumor found in dogs that arises from the apocrine glandular tissue of anal sac. The disease exists in cats as well, but is much less common in that species. [1] They are the second most common cancerous cause of hypercalcaemia (high serum calcium) in dogs, following T-cell ...
Small blue round cells of Ewing Sarcoma Display of small round blue cells characteristic of desmoplastic small round cell tumour.. In histopathology, a small-blue-round-cell tumour (abbreviated SBRCT), also known as a small-round-blue-cell tumor (SRBCT) or a small-round-cell tumour (SRCT), is any one of a group of malignant neoplasms that have a characteristic appearance under the microscope ...
A vaccine-associated sarcoma (VAS) or feline injection-site sarcoma (FISS) is a type of malignant tumor found in cats (and, often, dogs and ferrets) which has been linked to certain vaccines. VAS has become a concern for veterinarians and cat owners alike and has resulted in changes in recommended vaccine protocols.
It is found in humans and many animal species; it also can refer to an accumulation or nodule of mast cells that resembles a tumor. Mast cells originate from the bone marrow and are normally found throughout the connective tissue of the body as normal components of the immune system .
Monomethylhydrazine, [60] gyromitrin, [61] raw Gyromitra esculenta, [62] and N-methyl-N-formylhydrazine [44] [63] have been shown to be carcinogenic in experimental animals. Although Gyromitra esculenta has not been observed to cause cancer in humans, [ 64 ] it is possible there is a carcinogenic risk for people who ingest these types of ...
In humans, a significant fraction of Kaposi's sarcoma occurring after transplantation may be due to tumorous outgrowth of donor cells. [7] Although Kaposi's sarcoma is caused by a virus (Kaposi's sarcoma-associated herpesvirus), in these cases, it appears likely that transmission of virus-infected tumor cells—rather than the free virus—caused tumors in the transplant recipients.
Illustrations of fungi commonly found in the British Isles. Forensic mycology is the use of mycology in criminal investigations. [1] Mycology is used in estimating times of death or events by using known growth rates of fungi, in providing trace evidence, and in locating corpses. [1]