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Testicular teratoma in a unilateral right-sided abdominal cryptorchid horse

Ugolini, Lays Wouters; Santos, Fernanda Carlini Cunha dos; Costa, Gabriela Vicensi da; Oliveira, Henrique Ramos; Folchini, Natália; Machado, Tanise Policarpo; Zannella, Ricardo; Alves, Leonardo Porto.
Acta sci. vet. (Impr.); 47(suppl.1): Pub.409-2019. ilus
Artigo em Inglês | VETINDEX | ID: biblio-1458173


Background: Cryptorchidism is characterized by the incomplete descent of one or both testicles to the scrotum, beinga hereditary alteration and frequently an unilateral condition. Besides the sexual and aggressive behaviour, the retainedtesticle is commonly located in abdominal cavity, being considered a risk factor for neoplasm development. The mostcommon testicular neoplasm reported in mammalian species are Sertoli cell tumors, Leydig cell tumors, seminomas andteratomas. A presumptive diagnosis of testicular tumor can be achieved by ultrasonography, although the definitive diagnosis is obtained only by histopathology. In this report, we are presenting a case of testicular teratoma in an unilateralabdominal cryptorchid horse.Case: A 3 year-old stallion, American Quarter Horse, was attended and presented a right testicle retained inside the abdomen and a left testicle in the scrotum. Transrectal palpation was used to identify a round and firm structure, presumablythe right testicle, lateral to the urinary bladder and located inside abdomen. Further, a transrectal ultrasound examinationshowed a complex, round mass with irregular edges containing both cystic and solid structures, hypoechoic fluid-filledcavities separated by linear hyperechoic septa. After a clinical examination, the animal was diagnosed with cryptorchidismand was submitted to orchiectomy and cryptorchidectomy by inguinal approach. Surgery was performed under generalanesthesia and postoperative care included cold shower, anti-inflammatory and antibiotic therapy. Testicles were surgicallyremoved and further sent for histopathological examination. The visual appearance...
Biblioteca responsável: BR68.1
Localização: BR68.1