Fig. 9From: Predictive ability of CT findings in the differentiation of complicated and uncomplicated appendicitis: a retrospective investigation of 201 patients undergone appendectomy at initial admissionPeriappendiceal air and fluid. Axial CT images of two different patients show extraluminal air within mesoappendix (arrow in a) and extraluminal periappendiceal fluid (arrow in b). The former patient is a 73-year-old man who presents with abdominal pain and fever, slightly elevated white blood cell counts (11,370 cells/mm3) and neutrophilia (88.0% neutrophils). The latter is a 39-year-old-man presenting with right lower abdominal pain for 1 day, elevated white blood cell counts (17,100 cells/mm3) and neutrophilia (86.8% neutrophils). Both have a confirmed diagnosis of perforated appendicitisBack to article page