A novel method of core aspirate cytology compared to fine-needle aspiration for diagnosing canine osteosarcoma

Steven A. Neihaus, Jennifer E. Locke, Anne M. Barger, Luke B. Borst, Robert L. Goring

Research output: Contribution to journalArticlepeer-review

Abstract

There is little information in veterinary literature regarding the diagnostic accuracy of aspirate cytology for the diagnosis of canine osteosarcoma (OSA). The authors compared the diagnostic accuracy of a novel method of cytologic collection, termed core aspirate cytology (CA), with fine needle aspiration (FNA) and histopathology in 27 dogs with lytic and/or proliferative bone lesions. Alkaline phosphatase (ALP) staining was performed to confirm the diagnosis of OSA cytologically. OSA was accurately diagnosed in 85% and 95% of FNA and CA, respectively. ALP staining was 100% sensitive for the diagnosis of OSA. CA using a bone marrow biopsy needle allowed for penetration of cortical bone and aspirate cytology with a larger bore needle than FNA; however, there was no significant difference in diagnostic accuracy between techniques. Aspirate cytology with ALP staining was a safe, accurate, and minimally invasive diagnostic test for the evaluation of suspected OSA lesions in dogs.

Original languageEnglish (US)
Pages (from-to)317-323
Number of pages7
JournalJournal of the American Animal Hospital Association
Volume47
Issue number5
DOIs
StatePublished - 2011

ASJC Scopus subject areas

  • Small Animals

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