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In pediatric cardiac angiography, there are several peculiarities such as limitation ofboth X-ray dose and the amount of contrast medium in comparison with conventional angiography. Due to these peculiarities, the catheter examinations are accomplished in a short time with biplane X-ray apparatus. Thus, it is often difficult to: determine 3D structures ofblood vessels, especially those ofpediatric anomalies. Then a new 3D reconstruction method based on selective biplane angiography was developed in order to support diagnosis and surgical planning. The method was composed of particular reconstruction and composition. Individual 3D image is reconstructed with the particular reconstruction, and all 3D images are composed into standard coordinate system in the composition. This method was applied to phantom images and clinical images for evaluation of the method. The 3D image of the clinical data was reconstructed accurately as its structures was compared with the real structures described in the operative findings. The 3D visualization based on the method is helpftul for diagnosis and surgical planning of complicated anomalies in pediatric cardiology.

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