喷泉征：一种新的彩色多普勒超声表现，用于诊断急性特发性阴囊水肿。
The fountain sign: a novel color Doppler sonographic finding for the diagnosis of acute idiopathic scrotal edema.
机构信息
Department of Radiology, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, PA 19104, USA.
出版信息
J Ultrasound Med. 2010 Aug;29(8):1233-7. doi: 10.7863/jum.2010.29.8.1233.
OBJECTIVE
Acute idiopathic scrotal edema (AISE) is an important differential diagnosis in children presenting with an acute scrotum. Sonography plays an important role in excluding testicular torsion, epididymitis, and torsion of a testicular appendage and confirming the diagnosis of AISE. The purpose of this series was to evaluate the relevance of color Doppler sonography (CDS) in children presenting with AISE.
METHODS
Ten patients with AISE who underwent CDS during a 25-month period were retrospectively analyzed with regard to typical sonographic findings distinguishing AISE from other causes of scrotal edema.
RESULTS
Marked bilateral scrotal wall thickening and hyperemia resembling a fountain were detected in the transverse plane on CDS in all patients.
CONCLUSIONS
This report highlights the usefulness of CDS in diagnosing AISE by showing that the "fountain sign" is related to hypervascularity of the scrotal wall. In an acute scrotum, this sign may help differentiate AISE from other etiologies.
目的
急性特发性阴囊水肿（AISE）是儿童急性阴囊就诊的重要鉴别诊断。超声在排除睾丸扭转、附睾炎和睾丸附件扭转并确诊 AISE 方面发挥着重要作用。本系列研究旨在评估彩色多普勒超声（CDS）在 AISE 患儿中的相关性。
方法
回顾性分析 25 个月期间接受 CDS 的 10 例 AISE 患儿，分析其典型超声表现，以将 AISE 与其他阴囊水肿原因区分开来。
结果
所有患者的 CDS 横断面上均显示明显的双侧阴囊壁增厚和类似喷泉的充血。
结论
本报告通过显示“喷泉征”与阴囊壁的高血管化有关，强调了 CDS 在诊断 AISE 中的作用。在急性阴囊中，该征象有助于将 AISE 与其他病因区分开来。
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