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Title of Journal: Eur Radiol

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Abbravation: European Radiology

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Springer Berlin Heidelberg

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DOI

10.1016/0148-9062(86)90904-6

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1432-1084

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Dynamic MR imaging of osteoid osteomas correlatio

Authors: Pedro A Gondim Teixeira Anne Chanson Marine Beaumont Sophie Lecocq Matthias Louis Béatrice Marie François Sirveaux Alain Blum
Publish Date: 2013/05/22
Volume: 23, Issue: 9, Pages: 2602-2611
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Abstract

MR perfusion studies of 20 patients diagnosed with an osteoid osteoma treated with CTguided percutaneous laser therapy were retrospectively evaluated Multiple perfusion parameters correlated with the treatment outcome and the presence of osteoid osteomarelated symptomsThere were 16 successful treatments 6 recurrences and a significant difference in the perfusion parameters of these groups P  00001 Patients with successful treatment demonstrated delayed progressive enhancement or no enhancement mean time to peak = 182 s mean delay to the arterial peak = 1193 s Patients with treatment failure demonstrated an early and steep enhancement mean time to peak = 78 s and mean delay to the arterial peak = 24 s Plasmatic volume and transfer constant values significantly changed after successful treatment P  0008 MR perfusion has a sensitivity and a specificity higher than 90  in the detection of recurrent osteoid osteomas

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