DTF-LCPG #*264* – Question Sheet Dear All, Attached is the *Question Sheet *for Diagnostic Exercise #*264 *contributed by Carmen García-Romero,1*** Elena Colombino,1 Arturo Oliver-Guimera,1 Agustín Barragán,1 David Viana,1 Juan Manuel Corpa,1 Joaquín Ortega,1 Laura Selva,1 Francisco A. Uzal,2 Estefania Montero.1 1 Veterinary Pathology Service. School of Veterinary Medicine, Department of Animal Production and Health, Public Veterinary Health and Food Science and Technology, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain. 2 California Animal Health and Food Safety Laboratory System, San Bernardino Branch, School of Veterinary Medicine, University of California-Davis, San Bernardino, CA, USA. **Corresponding author: *carmen.garciaromero@uchceu.es 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/