June 2009

Submitted by Kristine Andrade, MD, and Ashley M. Wachsman, MD.

History:

A 22 year old female with intermittent RLQ pain for one month and severe RLQ pain for one day.

Shown below are two CT images of the abdomen:

From which structures might the abnormality arise?

• Appendix
  
• Bladder
  
• Ovaries
• Rectum
  
• Uterus