TY - JOUR T1 - PIcture of the month—quiz case AU - Posner KR, Friedlaender E Y1 - 2011/01/01 N1 - 10.1001/archpediatrics.2010.265-a JO - Archives of Pediatrics & Adolescent Medicine SP - 85 EP - 86 VL - 165 IS - 1 N2 - Results of her physical examination revealed a soft, tympanitic, mildly distended abdomen, tenderness in the lower quadrants, and a palpable, painful mass in the right lower quadrant. She had voluntary guarding but no rebound. The remainder of the examination was unremarkable. A plain radiograph of the abdomen was obtained (Figure). SN - 1072-4710 M3 - doi: 10.1001/archpediatrics.2010.265-a UR - http://dx.doi.org/10.1001/archpediatrics.2010.265-a ER -