BACKGROUND: Abdominal computed tomography scanning (AbdCTS) is the standard of care in the evaluation of blunt trauma patients. The liberal use of AbdCTS coupled with advancing imaging technology often results in the detection of incidental findings. OBJECTIVES: We sought to characterize the incidence and prevalence of such findings, describe the lesions most frequently seen on AbdCTS performed on patients admitted to a Level I trauma center, and develop a plan for follow-up through our performance improvement process. METHODS: AbdCTS reports of all admissions to a Level I trauma center between January 2000 and December 2002 were reviewed. Incidental findings identified were classified into benign anatomic variants, benign pathologic lesions, and pathologic lesions requiring further work-up. RESULTS: A total of 3,113 patients were evaluated by AbdCTS during this time period. There were 1474 incidental findings in 1,103 patients. Seventy-five percent of patients with incidental lesions had no traumatic findings. Benign anatomic variants were present in 1.8%, benign pathologic findings in 27.5%, and pathologic findings requiring work-up in 6.1%. Congenital renal anomalies and duplicate inferior vena cava were the most common benign anatomical findings. Renal and hepatic cysts were the most frequent benign lesions and non-calcified pulmonary nodules and adrenal masses were the pathologic lesions most commonly seen. CONCLUSIONS: Incidental findings are seen in up to 35% of trauma AbdCTS. No concomitant traumatic injuries are present in up to 75% of these patients. Protocols for appropriate intervention or arrangements for follow-up care need to be incorporated into the care of the trauma patients. Copyright (c) 2010 Elsevier Inc. All rights reserved.
BACKGROUND: Abdominal computed tomography scanning (AbdCTS) is the standard of care in the evaluation of blunt traumapatients. The liberal use of AbdCTS coupled with advancing imaging technology often results in the detection of incidental findings. OBJECTIVES: We sought to characterize the incidence and prevalence of such findings, describe the lesions most frequently seen on AbdCTS performed on patients admitted to a Level I trauma center, and develop a plan for follow-up through our performance improvement process. METHODS: AbdCTS reports of all admissions to a Level I trauma center between January 2000 and December 2002 were reviewed. Incidental findings identified were classified into benign anatomic variants, benign pathologic lesions, and pathologic lesions requiring further work-up. RESULTS: A total of 3,113 patients were evaluated by AbdCTS during this time period. There were 1474 incidental findings in 1,103 patients. Seventy-five percent of patients with incidental lesions had no traumatic findings. Benign anatomic variants were present in 1.8%, benign pathologic findings in 27.5%, and pathologic findings requiring work-up in 6.1%. Congenital renal anomalies and duplicate inferior vena cava were the most common benign anatomical findings. Renal and hepatic cysts were the most frequent benign lesions and non-calcified pulmonary nodules and adrenal masses were the pathologic lesions most commonly seen. CONCLUSIONS: Incidental findings are seen in up to 35% of trauma AbdCTS. No concomitant traumatic injuries are present in up to 75% of these patients. Protocols for appropriate intervention or arrangements for follow-up care need to be incorporated into the care of the traumapatients. Copyright (c) 2010 Elsevier Inc. All rights reserved.
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