Page 1337 - Clinical Small Animal Internal Medicine

139 Cancer of the Heart 1275

Heart‐based tumors have a fair prognosis, but this is that primary cardiac LSA should be treated differently
VetBooks.ir highly dependent on the presence or absence of pericar­ from other bulky aggressive lymphomas arising at other
dial effusion, secondary outflow obstruction, or other
anatomic sites.
Patients suffering from pericardial mesothelioma
cardiac function abnormalities. Patients having under­
gone palliative pericardectomy had a MST of 730 days generally have a fair to guarded prognosis. Many patients
(42 days with palliative pericardiocentesis alone). may survive months to years with palliative centesis +/­
The prognosis for cardiac LSA is guarded, but variable corticosteroid administration alone.
based on response and severity. Twelve dogs with car­ A variety of primary and secondary cardiac tumors
diac lymphoma were evaluated and dogs treated with have been reported in the veterinary literature. With
combination chemotherapy had a MST of 157 days com­ technologic advancement, we will gain a more detailed
pared to a 22‐day MST in untreated dogs. Three of the picture and begin to unearth important factors regard­
treated dogs survived >328 days. There is no evidence ing biologic behavior, treatments and prognosis.

Further Reading

Bonagura JD. Kirk’s Current Veterinary Therapy XIII Kittleson MD, Kienle RD. Small Animal Cardiovascular
Small Animal Practice. St Louis, MO: Saunders, 2000, Medicine. St Louis, MO: Mosby, 1998, pp. 413–32.
pp. 772–7. Ware WA. Cardiovascular Disease in Small Animal
Ettinger SJ, Feldman EC. Textbook of Veterinary Internal Medicine. London: Manson Publishing, 2007,
Medicine, 6th edn. St Louis, MO: Elsevier Saunders, pp. 320–39.
2005, pp. 1104–18.
Ettinger SJ, Feldman EC. Textbook of Veterinary Internal
Medicine, 7th edn. St Louis, MO: Elsevier Saunders,
2010, pp. 1344–52.