RT Journal A1 Kim JY, Goetz L T1 IMage of the month—quiz case JF Archives of Surgery JO Archives of Surgery YR 2007 FD January 1 VO 142 IS 1 SP 97 OP 97 DO 10.1001/archsurg.142.1.97 UL http://dx.doi.org/10.1001/archsurg.142.1.97 AB An 87-year-old woman had acute onset of lower abdominal pain following a painful bowel movement. She had a history of diverticulitis and chronic constipation. Her medical and surgical history also included a remote history of renal cell cancer status after left nephrectomy, a hysterectomy, and steroid-dependent arthritis. On physical examination, she was afebrile and normotensive, but in moderate distress with lower abdominal tenderness and guarding. Abdominal computed tomography was performed (Figure 1and Figure 2).