The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.

You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).

(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)

Fig. 1. —26-year-old woman with diabetes mellitus and acute onset of pain in left thigh.

A, Transverse sonogram reveals hypoechoic area, which is limited to vastus intermedius and vastus lateralis muscles (arrowheads), with multiple internal echogenic lines (open arrows), compatible with muscle fibers. Also, note outer cortex of femur (curved arrow) and rectus femoris muscle (solid straight arrows). Note that posterior acoustic enhancement cannot be adequately assessed because femur is directly beneath lesion.