Eisenscher A, Reck A, Edel L, Jurascheck F, Schoenahl C, Laedlein D
J Radiol. 1987 Mar;68(3):219-23.
The authors report the progressive disappearing of the sonographical image of a previously visualized kidney in a case of emphysematous pyelonephritis. They have called the sonographic vanishing kidney "the sign of the Deaf Kidney". The non-visualisation of a kidney with advanced emphysematous pyelonephritis is due to the infiltration of the perirenal environment by a gas envelope and the filling of the excretory cavities by gas. The perirenal gas-bag forms a shield against ultrasonic waves. The sonographer must be aware of the eventuality of not being able to individualize a renal structure when wrapped in gas. He must then ask for a zonography of the renal area in order to confirm the gas-containing collection in the kidney.
作者报告了在一例气肿性肾盂肾炎病例中，先前可见的肾脏超声图像逐渐消失的情况。他们将超声检查时消失的肾脏称为“失聪肾征”。晚期气肿性肾盂肾炎时肾脏无法显影，是由于肾周环境被气体包膜浸润以及排泄腔被气体填充。肾周气囊形成了一个超声波屏障。超声检查者必须意识到当肾脏被气体包裹时可能无法分辨肾脏结构。此时，他必须要求对肾脏区域进行断层扫描，以确认肾脏内含有气体的积液。
