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  • Title: Preoperative embolization in the treatment of osseous metastases from renal cell carcinoma.
    Author: Roscoe MW, McBroom RJ, St Louis E, Grossman H, Perrin R.
    Journal: Clin Orthop Relat Res; 1989 Jan; (238):302-7. PubMed ID: 2910614.
    Abstract:
    Metastatic lesions due to renal cell carcinoma are frequently hypervascular. This study reports the results of preoperative embolization of skeletal metastases from hypernephroma. Reported for the first time in the English literature is the use of this technique for preoperative devascularization of metastatic lesions to the spine in eight patients. Effective devascularization was achieved in all peripheral lesions. Blood loss for peripheral lesions averaged 940 cc and compared favorably to 20 nonembolized cases, in whom average blood loss was 1975 cc. Spinal embolization requires careful identification and preservation of any segmental arteries that supply the anterior spinal artery. Effective spinal devascularization was achieved in six of eight patients. In two patients significant bleeding occurred as a result of incomplete embolization. This series supports the growing evidence for the efficacy and safety of selective arterial embolization in the preoperative control of hemostasis in patients with metastatic hypernephroma. Embolization of spinal metastases, although technically demanding, has been effective in devascularizing these lesions without serious neurologic complications.
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