Abstract
The infant's femoral head form and position relative to the acetabulum are the major parameters for the diagnosis of a hip joint dysplasia. The analysis can be performed using conventional ultrasound 2D-images, which virtually cut the hip joint in a specific plane. The joint's shape is scored by geometric measures taken from the image. The imaging in a defined plane is tedious and demands some experience. Furthermore the reporting of a spatial geometry through 2D-images tends to be subjective and incomplete. To consider the entire joint geometry, a 3D-data set of conventional ultrasound images is recorded along with the transducer movement. The femoral head is measured automatically in the spatially arranged images by fitting a virtual sphere, which approximates the femoral head's contours. A pilot study based on 20 3D-ultrasound data sets of hip joints of infants aging 2 days–12 weeks shows highly accurate coincidence of the automatically calculated diameter and centre parameters with those of control measurements, i.e. virtual spheres interactively placed and parametrized.
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© 1997 Springer-Verlag Berlin Heidelberg
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Overhoff, H.M., Lazovic, D., Franke, J., von Jan, U. (1997). Automatic determination of the newborn's femoral head from three-dimensional ultrasound image data. In: Troccaz, J., Grimson, E., Mösges, R. (eds) CVRMed-MRCAS'97. CVRMed MRCAS 1997 1997. Lecture Notes in Computer Science, vol 1205. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0029278
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DOI: https://doi.org/10.1007/BFb0029278
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