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Proceedings Paper

Visualization of multimodal images for the planning of skull base surgery
Author(s): Derek L.G. Hill; S. E.M. Green; J. E. Crossman; David John Hawkes; Glynn P. Robinson; C. F. Ruff; T. C.S. Cox; A. J. Strong; Michael J. Gleeson
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Paper Abstract

This paper describes our methodology for combining and visualizing registered MR, CT, and angiographic images of the head. We register the individual datasets using the location of a number of user identified anatomical point landmarks to derive the rigid body transformation between datasets. The combined images are displayed either as 2-D slices or as 3-D rendered scenes. Three independent observers performed a detailed assessment of the usefulness of the combined images in the planning of resection of skull base lesions in seven patients. We have shown that in all patients studied at least one of our observers obtained significant extra clinical information from the combined images, while all observers showed significantly increased confidence in the pre-operative surgical plan in all but one patient. Initial evaluation of the 3-D rendered displays showed that the size, shape, and extent of the tumors were better visualized, 3-D spatial relationships between structures were clarified, viewing the resection site in 3-D was very useful, and movie loops provided a very strong 3-D cue. An improved method of registering information from multiple imaging modalities is described and future directions for image combination and visualization are suggested.

Paper Details

Date Published: 22 September 1992
PDF: 10 pages
Proc. SPIE 1808, Visualization in Biomedical Computing '92, (22 September 1992); doi: 10.1117/12.131109
Show Author Affiliations
Derek L.G. Hill, Guy's Hospital (United Kingdom)
S. E.M. Green, Guy's Hospital (United Kingdom)
J. E. Crossman, Guy's Hospital (United Kingdom)
David John Hawkes, Guy's Hospital (United Kingdom)
Glynn P. Robinson, Guy's Hospital (United Kingdom)
C. F. Ruff, Guy's Hospital (United Kingdom)
T. C.S. Cox, Guy's Hospital (United Kingdom)
A. J. Strong, Guy's Hospital (United Kingdom)
Michael J. Gleeson, Guy's Hospital (United Kingdom)

Published in SPIE Proceedings Vol. 1808:
Visualization in Biomedical Computing '92
Richard A. Robb, Editor(s)

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