Figure 6
From: MR imaging of venous malformations: sciatic nerve infiltration patterns and involved muscle groups

Extensive venous malformation in a 39-year old female patient. The composed T2-weighted STIR image in the coronal plane shows a subparaneurial involvement of the sciatic nerve (n), the gluteal (m) and hamstring (h) muscles, the rectum (r), the genital area (g) and the subcutis of the right thigh (ellipse).