Answer to Case of the Month #150

Abstract

A 55-year-old woman presented to the emergency department with a 10-day history of right lower quadrant pain that was associated with nausea and vomiting only on the first day of symptoms. Her abdomen was mildly distended with marked tenderness and localized guarding in the right lower quadrant. Routine laboratory work including white blood cell count was normal. Images from ultrasound (Figure 1) and computed tomography (CT) (Figures 2 and 3) of the right lower quadrant are presented.