Ultrasonographic measurement of the testis dimensions to abdominal aortic diameter ratio for estimation of the testicular size in healthy dogs

Document Type : Original Article

Authors

1 1- Graduated DVM, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.

2 Department of Clinical Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.

Abstract

In this study, 30 native adult male dogs, with body weight ranging from 18-63 kg and 12-60 month age without any abnormal clinical signs of testicular disease were included. All dogs were recruited in this study after screening ultrasonography, clinical examination and routine hematological examination. Ultrasonography was performed without use of sedation or anesthesia in both sagittal and transverse view using 10 MHz linear transducer. Testicular length, height, width and volume as well as maximum internal diameter of the abdominal aorta caudal to the deep circumflex iliac artery in sagittal plane were measured. No significant correlation was seen between testicular dimension and testicular dimension/aorta ratio with age and weight. Coefficient of Variance calculation showed higher percentage in dimension/aorta ratio in comparison with testicular dimension. No significant difference was seen between measurements of the right and left testis. Testicular height measured on the transverse view represented higher value related to longitudinal view Reference range for each parameter was reported based on Robust method analyzing. In conclusion, based on calculated CV, evaluation of the testicular size based on testicular dimension is better than testicular dimension/aorta ratio in ultrasonography examination.
 

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Journal of Veterinary Laboratory Research
Volume 16, Issue 2 - Serial Number 26
February 2025
Pages 143-150

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