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Soft tissue sarcoma refers to a broad group of tumors that originate from connective tissues. They tend to have similar histologic appearance and biological behavior, and can be either benign or malignant. Soft tissue sarcomas can arise in any part of the pet's body but skin and subcutaneous tumors are the most commonly observed.
Soft-tissue sarcomas commonly originate in the upper body, in the shoulder or upper chest. Some symptoms are uneven posture, pain in the trapezius muscle, and cervical inflexibility [difficulty in turning the head]. [12] The most common site to which soft-tissue sarcoma spreads is the lungs. [13]
Hemangiosarcoma is a rapidly growing, highly invasive variety of cancer that occurs almost exclusively in dogs, and only rarely in cats, horses, mice, [1] or humans (vinyl chloride toxicity). It is a sarcoma arising from the lining of blood vessels; that is, blood-filled channels and spaces are commonly observed microscopically. A frequent ...
Mast cells also respond to tissue trauma. Mast cell granules contain histamine, heparin, platelet-activating factor, and other substances. Disseminated mastocytosis is rarely seen in young dogs and cats, while mast cell tumors are usually skin tumors in older dogs and cats. Although not always malignant, they do have the potential to be.
In one study, 45% of the dogs that reached 10 years of age or older died of cancer. [ 1 ] Skin tumors are the most frequently diagnosed type of tumor in domestic animals for two reasons: 1. constant exposure of animal skin to the sun and external environment, 2. skin tumors are easy to see because they are on the outside of the animal.
Soft tissue sarcoma in cats and dogs; T. Canine transmissible venereal tumor This page was last edited on 7 August 2012, at 18:36 (UTC). Text ...
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.
Dermatofibrosarcoma protuberans (DFSP) [2] is a rare locally aggressive malignant cutaneous soft-tissue sarcoma. DFSP develops in the connective tissue cells in the middle layer of the skin (dermis). [3] Estimates of the overall occurrence of DFSP in the United States are 0.8 to 4.5 cases per million persons per year.