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Male pseudohermaphroditism in equine / Pseudo-hermafroditismo masculino em um equino

Bueno, Verônica La Cruz; Nogueira, Carlos Eduardo Wayne; Santos, Bianca Lemos dos; Coelho, Ana Carolina Barreto; Oliveira, Douglas Pacheco; Bobrowski, Vera Lucia; Martino-Roth, Maria da Graça; Curcio, Bruna da Rosa.
Acta Sci. vet.; 45(suppl.1): 01-08, 2017. ilus
Artigo em Português | VETINDEX | ID: vti-691138


Background: Intersexuality is considered an alteration in the animal development that opposes the characteristics determined by the genetic sex, resulting in an individual with characteristic features of both sexes. The objective of this work is to report a case of male pseudohermaphroditism of a Criollo breed horse referred to the Hospital de Clínicas Veterinárias (HCV) of the Universidade Federal de Pelotas, RS, Brazil. We gather information on the intersexuality diagnostics highlighting cytogenetics as an additional tool to diagnosis. Case: A Criollo breed horse was attended at the HCV with the main complaint of morphological anomaly of the external genitalia. The animal presented female external features, characterized by mammal glands and female genitalia. The horse also showed a rudimentary penis-like structure, caudally oriented shrouded by a cutaneous crease similar to a vulva and presented male behavior. The external genitalia was examined but the vaginoscope could not be inserted since the crease ended in a sac, with no openings. Rectal palpation and transrectal ultrasound could not reveal the presence of female gonads. Urethral ultrasound revealed the pelvic urethra and the openings of the male accessory glands. The equine was subjected to hormonal challenge with human chorionic gonadotropin (hCG). First sample presented a testosterone concentration of 20 ng/dL; [...](AU)
Biblioteca responsável: BR68.1