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Vet Pathol. 2011 Sep;48(5):1038-40. doi: 10.1177/0300985810396104. Epub 2011 Jan 19.

Ambiguous genitalia in a fertile, unilaterally cryptorchid male miniature schnauzer dog.

Author information

1
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, USA. melanie.breshears@okstate.edu

Abstract

A 7-year-old male miniature schnauzer dog with unilateral cryptorchidism was presented for elective orchiectomy. Surgery to remove the cryptorchid testis revealed a fully formed uterus with horns attached to both testis and the body and cervix terminating at the prostate gland. The gross and microscopic diagnosis for the genital tract was persistent Müllerian duct syndrome with unilateral cryptorchidism. Additional associated lesions included cystic endometrial hyperplasia and a solitary, intratubular seminoma within the undescended testis. Persistent Müllerian duct syndrome is rare among domestic animals but is more common in miniature schnauzer dogs because of inheritance as an autosomal recessive trait.

PMID:
21248100
DOI:
10.1177/0300985810396104
[Indexed for MEDLINE]

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