Dear All, Please find attached the answer sheet for Diagnostic Exercise *#201* Diagnostic Exercise #*201* was contributed by Luiza Muller Eisenhardt*, veterinary student; Valentina Berté Marcus*, veterinary student; Mariana Martins Flores*, DVM, MS, Doctor in Veterinary Pathology. *Laboratory of Veterinary Pathology, Universidade Federal de Santa Maria (UFSM), Santa Maria, Rio Grande do Sul, Brazil. mariana.flores@ufsm.br 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/