Posttraumatic pseudolipoma: MRI appearances.
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Biomedical subjects
Publications and source records attributed to Marc Wybier.
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OBJECTIVE: To prospectively evaluate the relationship between the early computerized tomography (CT) features of disk herniation and the clinical outcome in patients with recent-onset sciatic or femoral neuralgia treated conservatively. Early CT is often used, despite the absence of data on usefulness for predicting outcomes. METHODS: Of 78 patients with sciatica or femoral neuralgia of less than 1 month's duration, presumably due to a disk herniation, 75 were found by CT to have a disk herniation at the expected level. All patients were treated conservatively. The 60 patients who were reassessed clinically after 3 months were included in the study. Based on the results of the clinical assessment, the patients were classified as having a good outcome (complete or partial recovery) or a poor outcome. CT findings were compared in these two groups. RESULTS: None of the features of disk herniation studied on the CT scans were significantly correlated with the clinical outcome. A larger herniation or presence of a free fragment was more common in the good outcome group, but the differences were not statistically significant (P= 0.07). CONCLUSION: In this study, early CT scan did not predict the clinical outcome of patients with nerve root pain from lumbar disk herniation. None of the CT criteria was associated with a poor clinical outcome. Early CT scan has no prognostic value in this setting.
Steroid joint injections may be effective in painful joints due to degenerative disease and posttraumatic changes, as well as rheumatoid arthritis and seronegative spondylarthropathy. Fluoroscopic guidance may be necessary for deep (sacroiliac, hip, and shoulder) or small (wrist, hand, and foot) joints. Detailed technique of the steroid injection is given, especially for the sacroiliac joint.
Distension arthrography under fluoroscopic control may be useful in frozen shoulder syndrome. The technique consists of an intra-articular injection of 2 to 3 mL of contrast material, 3 mL of 2% lidocaine, 1.5 mL of cortivazol, and distension of the joint capsule with 30 to 40 mL of refrigerated sterile saline solution. This injection is immediately followed by a physiotherapy program. The authors report their experience of distension arthography in 30 shoulders. Results were good to very good in 90% of cases at 40-day follow-up. No recurrence of a frozen shoulder syndrome was observed and no complications were encountered in this series.
Needle aspiration of tendinous calcific deposits under fluoroscopic control may be a valuable tool in selected cases of painful shoulders with chronic and debilitating pain resistant to medical treatment. This article reviews the technique and results of this treatment. The aims of this procedure are (1) to evacuate a maximum amount of calcium; (2) to fragment the residual calcific deposits to facilitate its resorption during the following weeks; (3) to reduce the inflammation secondary to the presence and migration of residual calcific deposits by in situ injection of corticosteroids. Good results are obtained in 61Ð74% of cases. Surgical treatment should be restricted to failures of needle aspiration.