Peer-reviewed veterinary case report
Young dog with right undescended testicle and left testicle torsion
By Farzad-Mohajeri, Saeed et al.·Published in Veterinary research communications·2025·Department of Surgery and Diagnostic Imaging·View original on PubMed →
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Original publication title: Right-sided cryptorchidism and contralateral intrascrotal testicular torsion in a young dog: a rare case report.
- Species:
- dog
Plain-English summary
A 7-month-old male mixed-breed dog was brought to the vet because his scrotum was swollen and hard, affecting only the left testis. Tests showed mild anemia and high urea levels, and an ultrasound revealed that the left testis was enlarged and twisted. The vet performed surgery to remove the necrotic left testis and the retained right testis. Fortunately, the dog recovered well after surgery and returned for a follow-up two and a half months later in good health.
People also search for: dog swollen scrotum · testicular torsion in dogs · cryptorchidism treatment for dogs
Abstract
A 7-month-old, 20-kg male mixed-breed dog with a history of right retained testis was presented to the hospital. Over the past three days, he developed swelling for two days and then hardening in the scrotum, which only included the left testis. Hematological and biochemical analyses revealed mild anemia and elevated urea levels. Ultrasonography examination revealed the left testis to be mildly enlarged, heterogeneous, with abnormal mediastinum, and with an insufficient Doppler signal. On surgical exploration, the left testis was necrotic, dark in color, and twisted clockwise. A left orchiectomy and right cryptorchidectomy were performed. The left testicle showed widespread hemorrhage, vessel dilation, fibrosis, and necrosis, whereas the right testicle lacked spermatogenesis but contained normal Sertoli cells. The dog experienced no post-operative complications and was brought back for a 2.5-month follow-up in good health. This study highlights the rare unilateral right-sided cryptorchidism and intrascrotal torsion of the left testis in a young dog.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/40542919/