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In this episode, host Alyssa Watson, DVM, welcomes back Marc Seitz, DVM, DACVR, DABVP, to discuss his recent Clinician’s Brief article, "Ultrasound-Guided Fine-Needle Sampling Techniques in Veterinary Patients." Dr. Seitz breaks down the key techniques for obtaining high-quality diagnostic samples, compares fine-needle aspiration with the nonaspirate (woodpecker) technique, and shares best practices for ensuring sample quality. He also covers potential complications, sedation protocols, and how to effectively communicate procedural risks and benefits with pet owners.
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Key Takeaways
Ultrasound can’t distinguish between benign and malignant tissues, making fine-needle sampling essential for obtaining a categorical diagnosis (e.g., inflammation, infection, neoplasia).
The fine-needle nonaspirate technique (woodpecker technique) often provides better diagnostic samples than traditional fine-needle aspiration.
Needle sampling is a low-risk procedure, but potential complications like hemorrhage—typically self-resolving—should be discussed with clients beforehand.
Proper sedation protocols and meticulous sample site preparation are critical for both patient comfort and sample quality.
Hands-on practice is key to building confidence and proficiency in ultrasound-guided fine-needle sampling.
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The Team:
Alyssa Watson, DVM - Host
Alexis Ussery - Producer & Multimedia Specialist