v.16, n.3, p.236-238, 2023
Diagnostic Exercise from The Latin Comparative Pathology Group
Presumptive red maple leaf toxicosis in a horse
Kang D, Neto R, Henker L, Lunardon T
Clinical History: A 16-year-old Quarter Horse gelding was presented for a 3-day history of lethargy, marked anemia, cyanotic oral mucous membrane, delayed jugular refill, and dark red urine, which retained the discoloration after centrifugation. Relevant in-house laboratory findings included packed cell volume of 15.3% [reference interval (RI): 32.0-48.0], elevated mean corpuscular hemoglobin concentration (MCHC) (61.1 g/dL; RI: 31.0-37.0), and a high hemolysis index (1642; RI: 0-43). Blood smears revealed moderate amounts of ghost cells (Fig 1, arrows) and eccentrocytes (Fig 1, arrowheads) within a highly hemolytic background.
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DOI: 10.0.94.6/bjvp.1983-0246.v16i3p236-238
