Figure 35. Neurofibromatosis: diffuse type. Photograph (right) shows the discolored skin regions in an 8-year-old girl and the areas scanned. US scan of the discolored skin region (top left) shows infiltrative hypoechoic nodules (arrowheads) within the dermis to the subcutaneous layer. Compare with the scans of the normal skin region (middle). Color Doppler scan (bottom left) shows increased vascularity within the tumor.