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.)
Click on image to view larger version.

Fig. 3E. —65-year-old man with rectal carcinoma. Unenhanced T2-weighted fast spin-echo image reveals obturator lymph node (arrowhead) and mesorectal lymph node (black arrow), displaying lower signal intensity than that of perirectal fat but higher signal intensity than those of arteries and veins. o = obturator artery.