A case of rare osteolysis of the distal clavicle end is reported. Our 36-years old male patients also suffered from a well-discernible Hyperlipoproteinemia, type II/a after Fredrickson. A short view of the various forms of clavicle osteolysis is given. Their differentialdiagnostical and ethiological relations are discussed.
We report a retrospective study of 219 patients with lumbar disc lesions in whom the operative findings were compared with the results of computer tomography (CT) and myelography. When used alone each method achieved virtually the same degree of accuracy (87.8% and 87.4%). Particular attention was paid to 70 "problem" cases in whom the initial CT diagnosis suggested herniations at different levels which were not in keeping with the clinical symptoms or signs. The operative findings showed that CT had produced 10.4% false positives and 4.4% false negatives. The corresponding results for myelography were 5.9% and 8.9%. Myelography is, therefore, a more exact method of diagnosis for segmental and lateral herniations. After initial computerised tomography, myelography is indicated when there is a discrepancy between CT and the clinical findings.
The first part of the paper deals with measurements of 152 radiographs. It was found that the conventional views of the lumbar spine in two planes can demonstrate only 49.1% of the articular joints. Oblique views in two planes increase the accuracy to 88.7%. In view of the relatively high accuracy of the oblique views, these were used as the basis for a new functional method for examining the intervertebral joints. For this examination, oblique views of the lumbar spine are taken in the lordotic and kyphotic positions. The position of the patient during the examination is described in detail. In the second part of the paper, the results of measurements of 80 functional examinations are evaluated. Average values for the mobility of individual elements of the lumbar spine have been derived. Finally, the practical value of the new technique is demonstrated. Its special place for subluxations and spondylolyses is stressed.
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