Figure 2.

Representatives of sonographic findings of neurogenic heterotopic ossification. (A) Abnormal muscle structure: the anteromedial muscle group of left thigh showed structure derangement, and there was low and no echo area with irregular shape and island shape enhanced echo area (area indicated by dotted line in white and green). (B) Calcification: There were multiple strip or block enhanced echo areas (indicated by dotted line in white and green) with posterior acoustic shadowing in the anteromedial muscle group of left thigh.