PC software package to confront multimodality images and a stereotactic atlas in neurosurgery

Christian Barillot; Didier Lemoine; Bernard Gibaud; P. J. Toulemont; Jean-Marie Scarabin

doi:10.1117/12.18855

1 July 1990 PC software package to confront multimodality images and a stereotactic atlas in neurosurgery

Christian Barillot, Didier Lemoine, Bernard Gibaud, P. J. Toulemont, Jean-Marie Scarabin

Proceedings Volume 1232, Medical Imaging IV: Image Capture and Display; (1990) https://doi.org/10.1117/12.18855
Event: Medical Imaging '90, 1990, Newport Beach, CA, United States

Abstract

The aim of this application is to interactively transfer information between CT, MRI or DSA data and a 3D stereotactic atlas digitized on a C. Based on a 3D organization of data, this system is devoted to assist a neurosurgeon in surgical planning by numerically cross-assigning information between heterogeneous data (in-vivo or atlas). All these images can be retrieved in digital form from the PACS central archive (SIRENE PACS system). The basic feature of this confrontation is the Talairach's proportional squaring which consists in dividing the 3D cerebral space in independently deformable sub-parts. This 3D model is based on anatomical structures such as the AC-PC line and its two associated vertical lines VAC and VPC. Based on this proportional squaring, the atlas has been digitized in order to get atlas plates along the three orthogonal directions of this geometrical reference (axial, coronal, sagittal). The registration of in-vivo data to the proportional squaring is done by extracting either external framework landmarks or anatomical reference structures (i.e. AC and PC structures on the MRI sagittal mid-plane image). Geometrical transformations and scaling are then recorded for each modality or acquisition according to the proportional squaring. These transformations make for instance possible the transfer of a 3D point of a MRI examination to its 3D location within the proportional squaring and furthermore to its 3D location within another data set (in-vivo or atlas). From that stage, the application gives the choice to the neurosurgeon to select any confrontation between input data (in-vivo images or atlas) and output data (id).

Citation Download Citation

Christian Barillot, Didier Lemoine, Bernard Gibaud, P. J. Toulemont, and Jean-Marie Scarabin "PC software package to confront multimodality images and a stereotactic atlas in neurosurgery", Proc. SPIE 1232, Medical Imaging IV: Image Capture and Display, (1 July 1990); https://doi.org/10.1117/12.18855

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