Bildgebung peripherer Nerven (Sonografie; MRT): Vorschlag für eine Systematik zu Indikationen für die klinische Praxis an Fallbeispielen

Abstract

For investigating peripheral nerves, there are technically well established imaging methods (sonography, MRI). In clinical practice, in every single case, a decision has to be made as to the necessity for diagnostic nerve imaging. We propose a system for decision-making and illustrate it with selected cases. A prerequisite is an electrophysiological diagnosis, neuro-/myography, with evidence of peripheral nerve lesion. Additionally, if one of the following questions is answered positively, an indication for an imaging study is given:

• Is the localization of nerve damage unclear after electrodiagnostic tests?

• Is a typical nerve compression syndrome absent?

• Is there traumatic or postoperative nerve damage?

• Does symptom amelioration fail to occur within the expected timeframe?

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