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Background: This study aimed to evaluate the characteristics of incidental findings (IFs) on computed tomography (CT) scans of trauma admissions, examine associations between IFs and gender and age-groups, and discuss the management strategies. Methods: The CT reports were retrospectively reviewed to evaluate IFs. Cases were divided into five age-groups (0--19, 20--39, 40--59, 60--79, ≥ 80). IFs were classified as "Group 1": congenital anomalies that do not require further investigation, nondegenerative/minor degenerative findings; "Group 2": findings that do not require immediate intervention, require outpatient follow-up/in case of symptoms; and "Group 3": findings that require immediate intervention/further investigation. Results: There were 2385 CT scans and 1802 incidental findings (IFs) in 783 trauma cases. CT scans with IFs constituted 50.2%. The percentage of IFs was 75.6% in males and 24.4% in females, and they occurred in 4.8%, 27.6%, 44.3%, 20.9%, and 2.4% of age groups 1 to 5, respectively. Group 1 had 34.6%, group 2 had 54.6%, and group 3 had 10.8% IFs. There was not any significant association between the classification and gender or age-groups. In terms of organs, IFs of the thyroid and gall bladder & bile ducts were significantly higher among females (P = 0.044 and P < 0.001, respectively), while IFs in the head & neck region were significantly higher in males (P < 0.001). Incidental findings in the kidney, liver, adrenal gland, and vascular structures differed significantly across age-groups (P < 0.05). Conclusion: There were no significant relationships between the classification of IFs and gender or age-groups. However, the distribution of IFs was significantly associated with gender and age-groups in terms of organs. Healthcare professionals should consider this relationship when following up and treating patients. [ABSTRACT FROM AUTHOR]

Abstract: Objective: The purpose of this study was to evaluate the preoperative computed tomography (CT) features of thyroglossal duct cysts (TDCs), with the main purpose of evaluating criteria helpful in differentiating TDCs from other lesions in children under 10-years-of-age. Methods: A retrospective chart review was performed at Chonnam National University Hospital for the period of March 2005 to June 2011. Pediatric patients under 10-years-of-age with suspected TDCs were divided into two groups depending on their histopathologic diagnosis. Results: Of the 29 pediatric patients with suspected TDCs, 16 patients (55%) had histopathologically confirmed TDCs. Thirteen patients (45%) had dermoid cysts (n =6), ranula (n =3), and inflammatory lesions (n =4). There were no statistically significant differences between the preoperative CT findings and the final histopathologic diagnosis of TDC. There were no major complications resulting from surgical interventions. Conclusion: CT is not helpful in differentiating TDC from other lesions in children under 10-years-of-age. Therefore, we suggest that preoperative CT of suspected TDCs in children should be performed more selectively. [Copyright &y& Elsevier]