Snapshot A 27-year-old female presents to the hospital with a 4-day history of fever and lower right quadrant abdominal pain. Three weeks ago she underwent an emergency cesarean for an active phase arrest. Her temperature is 102.8°F (39.3°C). A tender fluctuant mass is palpated in the lower right quadrant of her abdomen. A pelvic CT scan confirms the diagnosis. She is admitted to the hospital and started on intravenous antibiotics and percutaneous drainage. Introduction Overview login to view 3 more bullets Epidemiology Incidence login to view 1 more bullet Demographic login to view 1 more bullet Risk factors login to view 5 more bullets Etiology Pathogenesis login to view 2 more bullets Usually polymicrobial with predominance of anearobic bacteria (e.g., Bacteroides and Peptostreptococcus spp.) Presentation Symptoms login to view 3 more bullets Physical exam login to view 6 more bullets Imaging Computed tomography (CT) of pelvis login to view 4 more bullets Ultrasonography login to view 4 more bullets Studies Serum labs login to view 3 more bullets Differential Septic pelvic thrombophlebitis login to view 2 more bullets Appendicitis login to view 2 more bullets Pyelonephritis login to view 2 more bullets Treatment Management approach login to view 2 more bullets Medical login to view 6 more bullets Surgical login to view 9 more bullets Complications Ruptured abscess login to view 1 more bullet Prognosis > 70% of cases respond to intravenous antibiotics alone