Today's Veterinary Practice

JUL-AUG 2015

Today's Veterinary Practice provides comprehensive information to keep every small animal practitioner up to date on companion animal medicine and surgery as well as practice building and management.

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Today's VeTerinary PracTice | July/august 2015 | tvpjournal.com consider This case Peer reviewed 50 on page 43, In-Clinic Hematology: The Blood Film Review discusses why microscopic evaluation of blood flms is critical to patient care. Two main reasons highlight the importance of blood flms: 1. To verify in-clinic analyzer results 2. To identify critical diagnostic features that these analyzers cannot evaluate. review the following case reports and then see if you can correctly answer the questions posed based on the complete blood count (cBc) results and blood flm images provided. answers are presented on page 52. in-clinic hematology results: What's Your Diagnosis? Daniel Heinrich, DVM, and Leslie Sharkey, DVM, PhD, Diplomate ACVP (Clinical Pathology) University of Minnesota Diagnostically essential morphologic abnormalities can be present even in patients with quantitatively normal results for all hematologic parameters. Table 1. Complete Blood Count r esults Varia BLE r E su Lts r EFE r E n CE rang E C on CL usion White blood cells (×10 3 /uL) 28.1 3.88–14.57 Increased Segmented neutrophils (×10 3 /uL) 15.88 2.1–11.2 Increased Lymphocytes (×10 3 /uL) 9.07 0.78–3.36 Increased Monocytes (×10 3 /uL) 0.89 0–1.2 Within normal limits (WNL) Eosinophils (×10 3 /uL) 1.32 0–1.2 Increased Basophils (×10 3 /uL) 0.94 0–0.13 Increased Hematocrit (%) 31.2 37.5–60.3 Decreased Reticulocyte count (×10 3 /uL) 0.08 0.0064–0.0815 WNL Platelets (×10 3 /uL) 564 129–395 Increased CASE REPORT 1: German Shepherd with Recurrent Skin Infections & Exercise Intolerance a 9-year-old intact male German shepherd presents with a history of recurrent skin infections and exercise intolerance. Physical examination reveals bilateral epiphora, ventral alopecia, and areas of skin lichenifcation. Pre-anesthetic cBc is completed prior to skin biopsies. Table 1 outlines the signifcant results from the hematology analyzer, while Figure 1 represents the high magnifcation feld from the microscopic evaluation of this patient's blood flm. Consider This Question… identify the nucleated cells: is the leukocyte count correct? FiguRE 1. Case Report 1: Representative image from the counting area of the blood flm. Wright-Giemsa stain; magnifcation, 1000×.

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