Hemangiosarcoma in Dogs

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Hemangiosarcoma in Dogs

By: Dr. Kimberly Cronin

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Section: Information In-depth

Hemangiosarcoma must be differentiated from other diseases that might cause similar clinical signs. For example, diseases of the heart such as an irregular heart rhythm can cause petsStain and Odor Remover
Nature's Miracle Stain and Odor Remover is Guaranteed to remove pet accident stains and odors that other products fail to remove including old uri... to show signs of weakness or collapse. There are several other malignant tumors that can appear as a mass in the spleen including:

Fibrosarcomas

Malignant fibrous histiocytomas

Undifferentiated sarcomas

Osteosarcomas

These tumors can also rupture leading to bleeding from the spleen and the development of anemia. Some systemic cancers may involve the spleen either in addition to other sites or as the primary site. The two most common cancers where this occurs are lymphosarcoma and mast cell tumor. Although not common, other tumors can spread or metastasize to the spleen causing similar signs as hemangiosarcoma.

Other diseases that can cause similar signs include:

Hemangioma, which is the benign counterpart of hemangiosarcoma.

This tumor can cause the same clinical signs as hemangiosarcoma but does not spread to other areas of the body. This tumor type is rare.

Splenic torsion. The spleen can become twisted, which can lead to enlargement of the spleen and possible rupture.

Hematoma of the spleen. A blood clot can form in the spleen causing anemia and/or a mass in the spleen. Although generally there is a history of trauma, this can also occur without any known injury.

Aortic body tumor, which is the most common other tumor of the heart. This can occur in the same location as hemangiosarcoma and cause similar signs. Ultrasound of the heart may not be able to differentiate between hemangiosarcoma and other tumor types such as an aortic body tumor.

Idiopathic pericardial effusion. This condition in dogs causes fluid build-up around the heart. The cause is unknown but it can be managed by periodic removal of the fluid or surgery. Other types of tumors can also cause pericardial effusion.

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1 Hemangiosarcoma of the Bone in Dogs
Hemangiosarcoma is a type of cancer that arises from blood vessels and can occur almost anywhere in the body. Usually when it occurs in bone it is due to metastasis from another site, although rarely,...
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If your dog suffers an acute collapse, he will sit down suddenly or lie down and won’t be able to get back up. He may even lose consciousness. Call or take your pet to your veterinarian immediately.
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1Hemangiosarcoma of the Bone in Dogs
Hemangiosarcoma is a type of cancer that arises from blood vessels and can occur almost anywhere in the body. Usually when it occurs in bone it is due to metastasis from another site, although rarely,...
Read More
2Acute Collapse in Dogs
If your dog suffers an acute collapse, he will sit down suddenly or lie down and won’t be able to get back up. He may even lose consciousness. Call or take your pet to your veterinarian immediately.
Read More
3Syncope (Fainting) in Dogs
Syncope is the term used to describe fainting, which is a brief period of unconsciousness due to cerebral anemia and may last from seconds to minutes. Most fainting “spells” are due to low blood pressure...
Read More
4Structure and Function of the Spleen in Dogs
The spleen is an elongated organ located in the abdomen. Though not essential for life, the spleen serves very important functions related to the blood system. The spleen filters the blood and contributes...
Read More
5What Is a Splenectomy?
A splenectomy is the surgical removal of the spleen and is indicated when tumors are present on the spleen, trauma has resulted in uncontrollable bleeding, or when the spleen is severely infected.
Read More

Hemangiosarcoma in Dogs

Hemangiosarcoma in Dogs

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