Dear All, Attached is the Question* Sheet *for Diagnostic Exercise #*2**70, * contributed by 1Department of Pathology, Microbiology and Immunology (Keel); School of Veterinary Medicine; University of California, Davis; Davis, CA 95616 2William R. Pritchard Veterinary Medical Teaching Hospital; School of Veterinary Medicine; University of California, Davis; Davis, CA. 95616 3Current address: Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607 4Current address: Department of Veterinary Medicine and Surgery; College of Veterinary Medicine; University of Missouri; Columbia, MO 65211 *Corresponding author:* mkkeel@ucdavis.edu The Diagnostic Exercises are an initiative of the Latin Comparative Pathology Group (LCPG), the Latin American subdivision of The Davis-Thompson Foundation. Members and non-members from any country of residence may contribute to these exercises. Please consider contributing a case to this initiative. It does not have to be unusual, and all pathology sub-specialties are welcome! Please consult instructions on how to format and submit your DE at https://davisthompsonfoundation.org/diagnostic-exercises-instructions/ Previous cases are available at https://davisthompsonfoundation.org/diagnostic-exercise/