Rev Colomb Cienc Pecu 2021; 34(3, Jul-Sep):231–239 https://doi.org/10.17533/udea.rccp.v34n3a07 eISSN: 2256-2958 CASE REPORT Mesenteric metastasis of granulosa cell tumor in a bitch: a case report Metástasis mesentérica de tumor de células de granulosa en una perra: reporte de caso Metástase mesentérica de tumor das células da granulosa em uma cadela: relato de caso Gabriela N Toledo 1 * ; Daniele S Rolemberg 2 ; Tamara Silva 2 ; Paulo-Henrique L Bertolo 3 ; Acácia R Coutinho 2 ; Stella H Moreira 2 ; Marina E S Pelógia 2 ; Pauline R Lima 2 ; Leticia Pavan 4 ; Paola C Moraes 2 ; Rosemeri O Vasconcelos 3 ; Andrigo B De-Nardi 2 . 1 Universidade Federal de Campina Grande (UFCG) – Centro de Saúde e Tecnologia Rural (CSTR) – Patos, PB, Brazil. 2 Universidade Estadual de São Paulo “Julio de Mesquita Filho” – Faculdade de Ciências Agrárias e Veterinárias (UNESP/FCAV), Departamento de Clínica e Cirurgia Veterinária, Jaboticabal, SP, Brazil. 3 Universidade Estadual de São Paulo “Julio de Mesquita Filho” – Faculdade de Ciências Agrárias e Veterinárias (UNESP/FCAV), Departamento de Patologia Veterinária, Jaboticabal, SP, Brazil. 4 Universidade Estadual de São Paulo “Julio de Mesquita Filho” – Faculdade de Ciências Agrárias e Veterinárias (UNESP/FCAV), Departamento de Obstetrícia e Reprodução Animal, Jaboticabal, SP, Brazil. To cite this article: Toledo GN, Rolemberg DS, Silva T, Bertolo PHL, Coutinho AR, Moreira SH, Pelógia MES, Lima PR, Pavan L, Moraes PC, Vasconcelos RO, De-Nardi AB. Mesenteric metastasis of granulosa cell tumor in a bitch: a case report. Rev Colomb Cienc Pecu 2021; 34(3): 231–239. DOI: https://doi.org/10.17533/udea.rccp.v34n3a07 Abstract Anamnesis: A 5-year-old mixed breed entire bitch was presented with bloody vaginal discharge and abdominal distension. Clinical and laboratory fndings: Physical examination and abdominal ultrasonography suggested the presence of a left ovarian tumor. At histopathological examination it was diagnosed as granulosa cell tumor. Treatment approach: An exploratory laparotomy was performed followed by ovariohysterectomy to remove the intra-abdominal mass. Conclusion: The clinical, ultrasonographic and histologic signs in this case support other literature reports. Ultrasonography, in combination with histopathologic analysis is a fundamental tool for detection of ovarian tumors, especially tumors of the granulosa cells. Keywords: bitch; canine; carcinoma; echography; granulosa; histopathology; histology; neoplasia; reproductive system; ovary; ovarian cancer; ovarian tumor; tumor; ultrasound; ultrasonography; vaginal discharge; veterinary pathology. Received: April 6, 2020; accepted: August 19, 2020 *Corresponding author. Universitaria Av, s/n, Patos, PB, Brazil. Tel.: + 55 16 991918112. E-mail: bitoledo@hotmail.com Postal Code: 58708-110 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License