Peer-reviewed veterinary case report
Canine testicular tumors in Taiwan over 12 years study
By Liao, Albert Taiching et al.·Published in The Journal of veterinary medical science·2009·Department of Veterinary Medicine, China·View original on PubMed →
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Original publication title: A 12-year retrospective study of canine testicular tumors.
- Species:
- dog
Plain-English summary
A study found that testicular tumors were diagnosed in 80 male dogs over 12 years, with a notable incidence in Maltese breeds and those with undescended testicles (cryptorchidism). The most common types of tumors included seminomas and interstitial cell tumors, with many cases linked to cryptorchidism. This condition significantly increased the risk of developing certain types of tumors, especially in younger dogs. If your dog has undescended testicles or is a Maltese, it’s important to discuss the risk of testicular tumors with your veterinarian.
People also search for: dog testicular tumors symptoms · Maltese dog health issues · cryptorchidism treatment in dogs
Abstract
To provide up-to-date information on the incidence and risk factors of canine testicular tumors, 476 pathological reports of male canine tumors from two institutes of veterinary medicine in Taiwan over a period of 12 years were reviewed. The detection rate of testicular tumors was 16.8% (80/476) in male canine tumors, and 94.1% (80/85) in male genital tumors. Ninety-six testicular tumors from 80 dogs were identified in this study, including 33 (34.4%) seminomas (SEMs), 25 (26%) interstitial cell tumors (ICTs), 22 (22.9%) mixed germ cell-stromal cell tumors (MGCSCTs), and 16 (16.6%) Sertoli cell tumors (SCTs). Of the 96 testicular tumors, 52 (54.2%) tumors developed from cryptorchid testes in 45 dogs (56.3%), and 44 (45.8%) tumors developed from scrotal testes in 35 dogs (44.7%). Cryptorchidism was significantly associated with development of MGCSCTs, SCTs, and SEMs, but not ICTs (p<0.01). The detection rate of testicular tumors in the dog younger than 10-years-old was significantly associated with cryptorchidism (p<0.01). Except for mixed breed dogs, the Maltese breed had high detection rate of testicular tumors, and may have high risk in cryptorchidism in this study. In conclusion, our results indicate that cryptorchidism alone or in addition to age will significantly affect the incidence and type of canine testicular tumors, and a high detection rate of testicular tumors in Maltese dogs is documented for the first time.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19652479/