[The differential diagnosis of prescalene soft tissue shadows. A clinical-anatomical contribution].

In CT examination of a female patient of 72 years of age, a prescalenic soft tissue shadow situated unilaterally on the left side was seen. 3D reconstruction revealed a course of the relevant structure that would correspond to a variation of the muscle of the neck. This is presented briefly in the following article and discussed within the framework of soft tissue shadows due to muscular variations.