We present a case of situs inversus totalis. A 22-month-old infant presented with cyanosis, double-inlet left ventricle, severe pulmonary stenosis, and concern for underlying visceroatrial abnormalities. Chest (Fig. 1) and abdominal (Fig. 2) radiographs were obtained. Abdominal sonography was performed to clarify the presence of splenic tissue and further define the relationships of the inferior vena cava and abdominal aorta (Figs. 3-7). This case demonstrates typical radiographic and sonographic findings of situs inversus totalis and shows the utility of sonography.

Study results demonstrated the feasibility of consistent wound path identification and the accuracy of trajectory angle determination in models with use of multidetector CT.

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Results show agreement of visually assessed and calculated qualitative descriptors and trajectory angles among observers. The Trajectory Calculator describes trajectories qualitatively similar to radiologists' visual assessment, showing the potential feasibility of automated trajectory analysis.

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