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Presumptive primary cardiac lymphoma in a cat causing pericardial effusion
Nako Shinohara1, John M Macgregor, Anthony Calo
1Department of Clinical Sciences, Foster Hospital for Small Animals, Tufts University School of Veterinary Medicine, 200 Westboro Road, North Grafton, MA 01536, USA.
Summary
A rare case of primary cardiac lymphoma in a cat is presented, leading to pericardial effusion. Diagnosis was confirmed via cytology, and chemotherapy was initiated for this feline heart tumor.
Area of Science:
- Veterinary Medicine
- Cardiology
- Oncology
Background:
- Primary cardiac lymphoma is an uncommon malignancy in domestic animals.
- Pericardial effusion can be a clinical sign of cardiac masses in cats.
- Diagnostic challenges exist for identifying heart tumors in feline patients.
Purpose of the Study:
- To report a case of primary cardiac lymphoma in a cat.
- To describe the diagnostic process for feline cardiac neoplasia.
- To highlight the clinical presentation and initial management of cardiac lymphoma.
Main Methods:
- Echocardiography was used to detect a heart mass and pericardial effusion.
- Pericardiocentesis and ultrasound-guided fine needle aspirate were performed.
- Cytology of pericardial fluid provided the antemortem diagnosis.
Main Results:
- A 13-year-old Himalayan cat presented with weight loss and cardiomegaly.
- Echocardiography revealed pericardial effusion and a cardiac mass.
- Cytological analysis confirmed primary cardiac lymphoma.
Conclusions:
- Primary cardiac lymphoma should be considered in cats with unexplained pericardial effusion and cardiomegaly.
- Antemortem diagnosis is achievable through fine needle aspirate and cytology.
- Chemotherapy offers a treatment option for feline cardiac lymphoma.
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