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British Journal of Radiology (1995) 68, 1190-1197
© 1995 British Institute of Radiology
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The British Journal of Radiology, Vol 68, Issue 815 1190-1197, Copyright © 1995 by British Institute of Radiology

ARTICLES

Follow-up of spongiosa plugs with contrast enhanced magnetic resonance imaging

J Kramer, C Schiller, S Lang, J Frodl, C Hornberger, K Andrea, E Steiner and H Imhof
MR Institute, University of Vienna, Austria.

The aim of this study was to evaluate the extent and duration of the revascularization process in spongiosa plugs when a fibrin sealant was used. 20 patients with tumour-like lesions, benign tumours and tumours with a potential for malignant transformation were studied. After intralesional tumour removal, the defect was filled with homologous spongiosa either combined with or without a fibrin sealant, according to a prospective randomization. Magnetic resonance imaging (MRI) follow-up examinations were performed within 1 week, and 1.5, 3, 4.5, 6, 8, 12, 24 and 36 months after surgery. Those patients without a fibrin sealant showed an increased revascularization zone up to the sixth week. Patients treated with fibrin, however, showed increased revascularization up to 3 months. In the 25% percentile the extent as well as the rate of revascularization is higher in those with a fibrin sealant. It is of clinical relevance that no revascularization should be expected at 3 months after surgery, which is easily demonstrated by MR follow-up.




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