Characteristics of cryptic/ectopic and contralateral scrotal testes in dogs between 1 and 2 years of age
| Autor: | Maria Cristina Veronesi, A. Rota, Valeria Grieco, E. Riccardi |
|---|---|
| Rok vydání: | 2009 |
| Předmět: |
Male
Aging endocrine system Pathology medicine.medical_specialty Both testes chemistry.chemical_compound Dogs Postoperative Complications Food Animals Surgical removal Cryptorchidism Testis Scrotum Animals Medicine Sex organ Dog Diseases Small Animals Maldescended testis urogenital system Equine business.industry Immunohistochemistry medicine.anatomical_structure Castration chemistry Animal Science and Zoology business Orchiectomy Bilateral orchiectomy |
| Zdroj: | Theriogenology. 72:969-977 |
| ISSN: | 0093-691X |
| DOI: | 10.1016/j.theriogenology.2009.06.016 |
| Popis: | Testicular malposition represents a common developmental genital defect in dogs and can affect one or both testes. In both humans and dogs, unilateral cryptorchism is more frequently detected and thought to be the expression of a genetic abnormality affecting both the undescended and scrotal testis. In the dog, there is evidence of degenerative processes affecting the maldescended testis. However, the histologic and functional changes that occur in the scrotal testis of unilateral cryptorchid or ectopic individuals remain a source of debate. Because the bilateral surgical removal of the testes leads to some undesirable side effects, the aim of this study was to evaluate the necessity for performing bilateral orchiectomy in young unilateral cryptorchid dogs. A morphologic study of both cryptic/ectopic and scrotal testes in young dogs affected by unilateral testicular maldescent was therefore conducted. The study was conducted on 10 dogs aged 1 to 2 yr and affected by unilateral testicular maldescent. We found that, in young dogs, even if no neoplastic lesions were observed, morphologic abnormalities are detectable between 1 and 2 yr of age in the maldescended testes with severity dependent on testicular position. In contrast, in the scrotal testes, the histologic and immunohistochemical exam failed to find signs of incorrect development or morphologic abnormalities. The results seem to suggest that, though the early removal of the undescended testis is recommended, continuous monitoring of the scrotal testis for the life of the dog is preferable to removing it considering the undesirable side effects related to castration. |
| Databáze: | OpenAIRE |
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