Pham Hong, Lin Eugene C
Department of Radiology C5-XR, Virginia Mason Medical Center, 1100 9th Ave., Seattle, WA 98111, USA.
Abdom Imaging. 2007 Jan-Feb;32(1):56-8. doi: 10.1007/s00261-006-9039-6. Epub 2006 Sep 1.
We present a case of a 37-year-old woman who presented with acute right lower quadrant abdominal pain. Work up with contrast enhanced CT to rule out appendicitis revealed dramatic ring enhancing cystic structure in the right adnexa corresponding to tubal ring sign of ectopic pregnancy seen on subsequent pelvic ultrasound. Right tubal ectopic pregnancy was confirmed at surgery.