Image Interpretation Session: 2004

The Image Interpretation Session has long been a favorite plenary session at the Annual Meeting and Scientific Assembly of the Radiological Society of North America, and this year’s session was no exception. Many thousands of people witnessed these excellent case presentations, moderated by Dr Drayer. The session can be viewed online and in real time by accessing the Education Portal (www.rsna.org/education/index.html). The unknown cases were published in the September-October 2004 issue of RadioGraphics, and the diagnoses are given below.