Ultrasound evaluation of adrenal gland size in clinically healthy dogs and in dogs with hyperadrenocorticism.

Ultrasound evaluation of adrenal gland size in clinically healthy dogs and in dogs with hyperadrenocorticism.
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对临床健康犬和肾上腺皮质功能亢进犬的肾上腺大小进行超声评估。

DOI：
10.1002/vetr.80
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发表时间：
2021
期刊：
The Veterinary record
影响因子：
--
通讯作者：
J. R. Jáber
J. R. Jáber
中科院分区：
--
文献类型：
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作者：
C. Melián;L. Pérez;P. Saavedra;A. Ravelo;Yaiza Santos;J. R. Jáber

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背景 肾上腺皮质功能亢进症（HAC）犬肾上腺肿大的检测需要精确的肾上腺厚度参考区间。 方法 前瞻性纳入86只临床健康犬，回顾性评价91只未经治疗的HAC犬。在矢状面上超声测量肾上腺背腹侧厚度。将犬分为4个体重类别，并将患有HAC的犬超声分类为与垂体依赖性HAC（PDH）、肾上腺依赖性HAC（FAT）、可疑肾上腺不对称（EAA）或正常肾上腺厚度一致。 结果 临床健康犬左侧肾上腺的上限为5.1 mm（≥2.5-5 kg），5.5 mm（>5-10公斤），6.4毫米（>10-20公斤），和7.3毫米右肾上腺的上限分别为5.3 mm（≥2.5-5 kg）、6.8 mm（>5-10 kg）、7.5 mm（>10-20 kg）和8.7 mm（>20-40 kg）。超声检测HAC犬肾上腺肿大的敏感性为95.6%。大多数HAC犬（56.0%）的超声检查结果与PDH或FAT一致;然而，39.6%的HAC犬通常发生EAA。 结论 当使用四种体重分类时，超声检查检测HAC犬肾上腺肿大的灵敏度很高。EAA在患有HAC的犬中很常见。
BACKGROUND Precise reference intervals of adrenal gland thickness are required for detection of adrenomegaly in dogs with hyperadrenocorticism (HAC). METHODS Eighty-six clinically healthy dogs were prospectively included, and 91 dogs with untreated HAC were retrospectively evaluated. Dorso-ventral adrenal gland thickness was ultrasonographically measured on the sagittal plane. Dogs were classified into four body weight categories, and those with HAC were also ultrasonographically classified as consistent with pituitary-dependent HAC (PDH), adrenal-dependent HAC (FAT), equivocal adrenal asymmetry (EAA), or normal adrenal thickness. RESULTS The upper limits for left adrenal gland in clinically healthy dogs were 5.1 mm (≥2.5-5 kg), 5.5 mm (>5-10 kg), 6.4 mm (>10-20 kg), and 7.3 mm (>20-40 kg), and for right adrenal gland the upper limits were 5.3 mm (≥2.5-5 kg), 6.8 mm (>5-10 kg), 7.5 mm (>10-20 kg), and 8.7 mm (>20-40 kg). The sensitivity of ultrasound to detect adrenomegaly in dogs with HAC was 95.6%. Most dogs with HAC (56.0%) had ultrasound findings consistent with either PDH or FAT; however, EAA was commonly occurring in 39.6% of dogs with HAC. CONCLUSIONS The sensitivity of ultrasonography to detect adrenomegaly in dogs with HAC is high when using four weight categories. EAA is common in dogs with HAC.