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. 4B. —58-year-old man with false-positive diagnosis of hepatocellular carcinoma due to arterial phase contrast enhancement with no cause detected at gross pathologic examination. Helical CT image obtained at same level as A during portal venous phase fails to identify lesion, which has become isoattenuating with remainder of liver. At pathologic evaluation, no gross abnormality could be found in this region for microscopic examination.