• Jens-Peter Schenk, Christian Herweh, Patrick Günther, Wiltrud Rohrschneider, Birgit Zieger, and Jochen Tröger.
• Department of Pediatric Radiology, University of Heidelberg, Im Neuenheimer Feld 153, 69120 Heidelberg, Germany. Jens-Peter_Schenk@med.uni-heidelberg.de
• Eur J Radiol. 2006 Apr 1;58(1):3-14.

AbstractSpinal dysraphisms are categorized in open dysraphisms with prominent abnormal nervous tissue above the skinlevel and closed dysraphisms with a skin covered malformation. Especially the occult dysraphisms are marked by suspect skin masses and other dermal anomalies. The purpose of this review is to demonstrate the indications and spectrum of spinal sonography in neonates and infants. In comparison typical dysraphisms are demonstrated in sonography and MR Imaging. We demonstrate the value of ultrasound in comparison to MRI and describe a usefull handling of the methods in neonates and infants. The differentiation between the potentially dangerous dimples associated with dermal sinus, which can lead to meningitis and the harmless coccygeal dimple in the cranial gluteal cleft is presented. An inconspicious examination does not need a further imaging, but suspicious results of sonography need an MR imaging dependent of clinical conditions. Neurologically conspicious infants need MR imaging completed by sonography. Great advantages of sonography are the real time examination and the potential to show oscillations of the conus, filum and cauda equina in M-mode-imaging.

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