Eggert P, Oppel L
Klinik für Allgemeine Pädiatrie am Klinikum der Christian Albrechts Universität Kiel.
Ultraschall Med. 2002 Jun;23(3):185-8. doi: 10.1055/s-2002-33150.
Many examiners complain about the inferior quality of renal sonograms in patients with lumbar, meningomyelocele (MMC), especially about the insufficient contrast. The study was carried out in order to scrutinize these reports and to test the hypothesis that this effect might be caused by the increased echogenicity of the abnormally innervated musculature in these patients.
In 17 "matched pairs" of patients with lumbar MMC and healthy controls the echogenicity and the contrast of the sonograms of the kidneys, the biceps muscle and the rectus femoris muscle were measured and compared.
Echogenicity and contrast of the renal sonograms were significantly lower in patients with MMC (p = 0.004). Sonography of the musculature of the upper extremities revealed no differences, the echogenicity of the rectus femoris muscle, however, was significantly higher (p = 0.001) in patients with MMC.
The results presented support the hypothesis that the elevated echogenicity of the abdominal wall and trunk musculature in patients with MMC reduce the effective ultrasound signal.
许多检查者抱怨腰骶部脊髓脊膜膨出（MMC）患者的肾脏超声图像质量较差，尤其是对比度不足。开展本研究以仔细审查这些报告，并检验以下假设：这种影响可能是由这些患者异常神经支配的肌肉组织回声增强所致。
对17对“匹配”的腰骶部MMC患者和健康对照者，测量并比较肾脏、肱二头肌和股直肌超声图像的回声性和对比度。
MMC患者肾脏超声图像的回声性和对比度显著较低（p = 0.004）。上肢肌肉组织的超声检查未发现差异，然而，MMC患者股直肌的回声性显著较高（p = 0.001）。
所呈现的结果支持以下假设：MMC患者腹壁和躯干肌肉组织回声增强会降低有效超声信号。
