Peer-reviewed veterinary case report
Diagnosing spleen enlargement in dogs and cats with fine-needle
By O'Keefe, D A & Couto, C G·Published in Journal of veterinary internal medicine·1987·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
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Original publication title: Fine-needle aspiration of the spleen as an aid in the diagnosis of splenomegaly.
Plain-English summary
A group of 28 dogs and 5 cats with an enlarged spleen (splenomegaly) underwent a procedure called fine-needle aspiration to help diagnose the cause. In most cases, the aspiration revealed issues like extramedullary hematopoiesis, which can be linked to various diseases such as immune hemolytic anemia and hemangiosarcoma. Some pets were diagnosed with hematopoietic neoplasms, including lymphosarcoma. Fortunately, there were no complications from the procedure, and the results from the aspiration matched well with further tissue evaluations.
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Abstract
Results from transabdominal fine-needle aspiration of the spleen in 28 dogs and 5 cats are reported. Splenomegaly was present in 79% of these patients, and splenic masses were present in 15%. Extramedullary hematopoiesis, the most common cytologic diagnosis, was found in 24% of the patients and was associated with a variety of diseases including immune hemolytic anemia, hemangiosarcoma, and bone marrow hypoplasia. Hematopoietic neoplasms including lymphosarcoma, plasmacytoma, myelogenous leukemia, and systemic mastocytosis were diagnosed in 24% of the patients. Other diagnoses included malignant neoplasia of undetermined cell type and lymphoreticular hyperplasia. Splenic aspirates were considered normal in 18% of the animals. Two (6%) of the aspirates contained liver tissue rather than spleen. Histologic evaluation of splenic tissue was performed in 42.5% of the patients. All cytologic diagnoses correlated well with their final histologic diagnoses. Complications from the aspiration procedure were not observed, even in thrombocytopenic patients.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/3506095/