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Dog Health...Hemangiosarcoma Dog HealthHemangiosarcoma Hemangiosarcoma is a rare, rapidly growing, highly invasive variety of cancer. It is a sarcoma arising from the lining of blood vessels; that is, blood-filled channels and spaces are commonly observed microscopically. A frequent cause of death is the rupturing of this tumor, causing the patient to rapidly bleed to death. Hemangiosarcoma is quite common in dogs, and more so in certain breeds of dogs including German Shepherds and Golden Retrievers. It also occurs in cats, but is much more rare. Dogs with hemangiosarcoma rarely show clinical signs until the tumor has become very large and has metastasized. Typically, clinical signs are due to hypovolemia after the tumor ruptures, causing extensive bleeding. Owners of the affected dogs often discover that the dog has hemangiosarcoma only after the dog collapses. The tumor most often appears on the spleen, right heart base, or liver, although varieties also appear on or under the skin or in other locations. It is the most common tumor of the heart, and occurs in the right atrium. Here it can cause right-sided heart failure, arrhythmias, pericardial effusion, and cardiac tamponade. Hemangiosarcoma of the spleen or liver is the most common tumor to cause hemorrhage in the abdomen. Hemangiosarcoma of the skin usually appears as a small red or bluish-black lump. It can also occur under the skin. It is suspected that in the skin, hemangiosarcoma is caused by sun exposure. Occasionally, hemangiosarcoma of the skin can be a metastasis from visceral hemangiosarcoma. Other sites the tumor may occur include bone, the kidney, the bladder, muscle, the mouth, and the central nervous system. Treatment: Treatment includes chemotherapy and, where practical, removal of the tumor with the affected organ, such as with a splenectomy. Splenectomy alone gives an average survival time of 1-3 months. The addition of chemotherapy, primarily consisting of the drug doxorubicin, alone or in combination with other drugs, can increase the average survival time to 5-7 months. Visceral hemangiosarcoma is usually fatal even with treatment, and usually within weeks or, at best, months. In the skin, it can be cured in most cases with complete surgical removal as long as there is not visceral involvement. from: wikipedia The dog disease directory at Long Live Puppies is a list of diseases and other health conditions related to dogs and are continuously being updated with new definitions and improvements. A happy and healthy pet contributes to your own health and happiness. The articles here are constructed to help aide you in making informative decisions concerning your puppy and dog and your family. The intentions of these articles are to help give you choices on how to find your puppy, topics of discussions with family members before the decision to get a dog is set in stone, how to prepare your home for him, how to care for him throughout his life and how to spend quality, enjoyable time with him. Any medical advice or health information should never take the place of your veterinarian. If your dog is not feeling well or there is something wrong, don’t wait! Make a doctor’s appointment with your veterinarian as soon as possible. We welcome any suggestions to our articles. Our contributors are working hard to bring you the most up-to-date quality information. Complete Dog Disease Directory Dog Cancer Health Disorders - Hemangiosarcoma - Dog Health Issues Dog Health Hemangiosarcoma Dog related information, articles and descriptive, educational videosincluding related dog cancer health disorders - hemangiosarcoma - dog health issues videos when possible

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