Computerized tomography in orthopedic surgery.
Computerized tomography has been demonstrated to be highly effective and accurate in delineating soft tissue and bony cross-sectional anatomy. The technique is very helpful in: (A) delineating the 3-dimensional extents of destructive lesions; (B) defining the nature of lesions by revealing their tissue densities and invasive characteristics; and (C) delineating the cross-sectional anatomy of complex geometric lesions; for example, fractures of the pelvis and spine. These features enable the orthopedic surgeon to better diagnose pathological lesions, plan surgical procedures, screen patients for metastases, and facilitate percutaneous biopsy or aspiration of difficult anatomic sites. While these applications are becoming well established, additional uses are under investigation in the areas of trauma, and in clinical research of metabolic bone disease.
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