Osteoid Osteoma: Can Impedance Levels in Radiofrequency Thermocoagulation Predict Recurrence?

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left"></td><td align="center">Average start impedance  (<svg height="10.6875" id="M2" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.75 10.6875" width="11.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.6875)">
<g transform="translate(72,-63.45)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">Ω</tspan>
</text>
</g>
</g>
</svg>)</td><td align="center">Average end  impedance (<svg height="10.6875" id="M3" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.75 10.6875" width="11.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.6875)">
<g transform="translate(72,-63.45)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">Ω</tspan>
</text>
</g>
</g>
</svg>)</td><td align="center">Average increase (<svg height="10.6875" id="M4" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.75 10.6875" width="11.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.6875)">
<g transform="translate(72,-63.45)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">Ω</tspan>
</text>
</g>
</g>
</svg>)</td><td align="center">Average % increase</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Overall</td><td align="center">345</td><td align="center">493</td><td align="center">173</td><td align="center">58%</td></tr><tr><td align="left">Nondiaphyseal</td><td align="center">321</td><td align="center">412</td><td align="center">203</td><td align="center">37%</td></tr><tr><td align="left">Diaphyseal</td><td align="center">477</td><td align="center">524</td><td align="center">113</td><td align="center">65%</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Impedance change during PRFTC procedures according to anatomical location.

Radiology Research and Practice

tab1

Table 1

Table 1: Osteoid Osteoma: Can Impedance Levels in Radiofrequency Thermocoagulation Predict Recurrence? 