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Multiplanar Reconstructions and Three-dimensional Imaging (Computed Rotational Osteography) of Complex Fractures by Using a C-arm System: Initial Results¹

¹ From the Department of Diagnostic Radiology, Philipps-University Marburg, Germany (M.E., J.T.H., H.A., J.J.F., K.J.K., H.J.W.); Siemens Medical Solutions, Forchheim, Germany (J.H., T.B.); and Department of Radiology, University of Wisconsin Hospital and Clinics, E3/311 Clinical Science Center, 600 Highland Ave, Madison, WI 53792-3252 (H.J.W.). Received March 14, 2001; revision requested April 9; revision received June 13; accepted June 22. Address correspondence to H.J.W. (e-mail: hwagner@mail.radiology.wisc.edu).

With use of a calibrated angiographic C-arm system and a postprocessing workstation, the authors acquired volume data sets from two-dimensional digital projection images obtained during a C-arm rotation around the patient axis. Multiplanar reconstruction and three-dimensional images of complex fractures were reconstructed and compared with spiral computed tomographic studies in a cadaveric pig study and in eight patients. Computed rotational osteography provided high-resolution multiplanar reconstruction and three-dimensional images of complex fractures.

Index terms: Computed tomography (CT), helical • Computed tomography (CT), technology • Computed tomography (CT) thin-section

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