Tomographic and ultrasound evaluation of the thyroid gland in pet guinea pigs.

IF 1.3 2区农林科学 Q2 VETERINARY SCIENCES Veterinary Radiology & Ultrasound Pub Date : 2024-10-17 DOI:10.1111/vru.13455

Tina Pelligra, Caterina Puccinelli, Daniele Petrini, Mirko Mattolini, Simonetta Citi

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Abstract

There has been increasing interest in the literature on primary thyroid diseases in guinea pigs, which are believed to be underdiagnosed. This study describes the size and characteristics of the thyroid gland on ultrasound (US) and CT examinations in the guinea pig (Cavia porcellus) without evidence of thyroid pathology and examines the possible use of US as a routine examination for thyroid diseases. This prospective and anatomical study included 20 guinea pigs that underwent CT for dental pathologies and US for thyroid gland (TG) examination. Based on US and CT images, this study evaluated the thyroid lobe dimensions (length, height, and width) and shape. Echogenicity and homogeneity were assessed on US images, and attenuation values (HU) and homogeneity were evaluated on CT images. All animals underwent CT and US examinations under anesthesia. Thyroid lobes appeared more frequently as fusiform on CT (65%) and oval on US scans (67.5%). The attenuation values on CT scans were homogeneous. On the US scans, the TG was more frequently hypoechoic. No statistically significant differences were found between the size of the right and left thyroid lobes, both with CT and US. A statistically significant difference was found between the length values on CT and US. The US and CT thyroid gland dimensions, shape, and appearance were described. Both CT and US are useful techniques for evaluating the TG in guinea pigs.

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宠物豚鼠甲状腺的断层扫描和超声波评估。

关于豚鼠原发性甲状腺疾病的文献越来越多，而人们认为这种疾病诊断不足。本研究描述了无甲状腺病变证据的豚鼠（Cavia porcellus）甲状腺在超声（US）和 CT 检查中的大小和特征，并探讨了将 US 作为甲状腺疾病常规检查的可能性。这项前瞻性解剖学研究包括 20 只豚鼠，它们接受了 CT（牙科病理检查）和 US（甲状腺（TG）检查）。根据 US 和 CT 图像，本研究评估了甲状腺叶的尺寸（长度、高度和宽度）和形状。US 图像评估了回声和均匀性，CT 图像评估了衰减值（HU）和均匀性。所有动物均在麻醉状态下接受 CT 和 US 检查。甲状腺叶在CT上多呈纺锤形（65%），在US扫描上多呈椭圆形（67.5%）。CT扫描的衰减值均匀一致。在 US 扫描中，TG 多呈低回声。在 CT 和 US 扫描中，左右甲状腺叶的大小没有明显的统计学差异。CT 和 US 的长度值之间存在统计学意义上的显著差异。对 US 和 CT 甲状腺的尺寸、形状和外观进行了描述。CT 和 US 都是评估豚鼠甲状腺的有用技术。

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来源期刊

Veterinary Radiology & Ultrasound 农林科学-兽医学

CiteScore

2.40

自引率

17.60%

发文量

133

审稿时长

8-16 weeks

期刊介绍： Veterinary Radiology & Ultrasound is a bimonthly, international, peer-reviewed, research journal devoted to the fields of veterinary diagnostic imaging and radiation oncology. Established in 1958, it is owned by the American College of Veterinary Radiology and is also the official journal for six affiliate veterinary organizations. Veterinary Radiology & Ultrasound is represented on the International Committee of Medical Journal Editors, World Association of Medical Editors, and Committee on Publication Ethics. The mission of Veterinary Radiology & Ultrasound is to serve as a leading resource for high quality articles that advance scientific knowledge and standards of clinical practice in the areas of veterinary diagnostic radiology, computed tomography, magnetic resonance imaging, ultrasonography, nuclear imaging, radiation oncology, and interventional radiology. Manuscript types include original investigations, imaging diagnosis reports, review articles, editorials and letters to the Editor. Acceptance criteria include originality, significance, quality, reader interest, composition and adherence to author guidelines.