Transrectal Ultrasonography of the Adrenal Glands in Donkeys (Equus asinus). | [Pakistan Veterinary Journal • 2016]

Author(s):

1. Fulvio Laus: School of Biosciences and Veterinary Medicine, University of Camerino,Via Circonvallazione 93/95, 62024 Matelica (MC),Italy

2. Andrea Spaterna: School of Biosciences and Veterinary Medicine, University of Camerino,Via Circonvallazione 93/95, 62024 Matelica (MC),Italy

3. Vanessa Faillace: School of Biosciences and Veterinary Medicine, University of Camerino,Via Circonvallazione 93/95, 62024 Matelica (MC),Italy

4. Emanuele Paggi: School of Biosciences and Veterinary Medicine, University of Camerino,Via Circonvallazione 93/95, 62024 Matelica (MC),Italy

5. Matteo Cerquetella: School of Biosciences and Veterinary Medicine, University of Camerino,Via Circonvallazione 93/95, 62024 Matelica (MC),Italy

6. Alessandro Fruganti: School of Biosciences and Veterinary Medicine, University of Camerino,Via Circonvallazione 93/95, 62024 Matelica (MC),Italy

7. Beniamino Tesei: School of Biosciences and Veterinary Medicine, University of Camerino,Via Circonvallazione 93/95, 62024 Matelica (MC),Italy

Abstract:

Little information is available for medical imaging in donkeys and no report about adrenal glands ultrasonography can be found in scientific literature. The feasibility of transrectal ultrasonography of the adrenal glands was tested on 30 healthy donkeys using a 10 MHz linear-array transducer. Mean age of animals was 10.7±4.8 years, mean body weight 275.0±62.9 kg and mean height 126.7±7.1 cm. The left adrenal gland was visualized in all donkeys. The right gland ultrasonography was not feasible in seven animals with a height less than 116 cm. The left gland was visualized as a linear or slightly curved structure, the right gland was most often Sshaped. In both glands, a hypochoic peripheral zone was identified as the cortex with an inner, hyperechoic medulla. The length was 5.49±1.90 and 5.15±1.10 cm for right and left gland, respectively. Right gland whole and medullary thickness was 0.71±0.11 and 0.24±0.09 cm, 0.65±0.13 and 0.21±0.07 cm, 0.56±0.17 and 0.25±0.07 cm for cranial pole, middle point and caudal pole respectively. Left gland whole and medullary thickness values were 0.69±0.13 and 0.25±0.09 cm, 0.66±0.13 and 0.23±0.09 cm, 0.57±0.15 and 0.26±0.09 cm for cranial pole, middle point and caudal pole, respectively. There was a significant correlation between height and the entire length of the left gland. In conclusion, ultrasonography of the adrenal glands is a suitable tool for evaluation of both adrenal glands in most of the donkey. The size is a limiting factor for proper visualization of the right gland.

Page(s): 21-24

DOI: DOI not available

Published: Journal: Pakistan Veterinary Journal, Volume: 36, Issue: 1, Year: 2016

Keywords:

Adrenal gland Biometry Donkey Ultrasonography

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