Dear All, Please find attached the *Question Sheet* for Diagnostic Exercise #*203* Diagnostic Exercise #*203* was contributed by Franciéli A. Molossi, DVM, MSci, Bianca S. de Cecco, DVM, MSci, PhD, Luan C. Henker, DVM, MSci, PhD, Marina P. Lorenzett, DVM, MSci, PhD, David Driemeier, DVM, MSci, PhD, Saulo P. Pavarini, DVM, MSci, PhD, Universidade Federal do Rio Grande do Sul. francieliadrianemolossi@hotmail.com Best Regards Claudio The Diagnostic Exercises are an initiative of the Latin Comparative Pathology Group (LCPG), the Latin American subdivision of The Davis-Thompson Foundation. These exercises are contributed by members and non-members from any country of residence. Please consider contributing a case to this initiative. It does not have to be unusual, and all sub-specialties of pathology are welcome! Please consult instructions to 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/