<sup>18</sup>F-FDG Pet-Guided External Beam Radiotherapy in Iodine-Refractory Differentiated Thyroid Cancer: A Pilot Study

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Case</td><td class="align_center">Response</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center"><span style="width: 23.0899ptpx;"><svg height="10.3481pt" id="M11" style="vertical-align:-0.2455997pt" version="1.1" viewbox="-0.0498162 -10.1025 23.0899 10.3481" width="23.0899pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M614 175C564 76 510 21 408 21C256 21 146 149 146 336C146 488 235 629 402 629C510 629 570 586 597 480L626 488C620 541 614 582 606 638C578 643 510 665 429 665C206 665 44 527 44 316C44 157 153 -15 402 -15C474 -15 558 5 586 11C604 45 629 119 643 165L614 175Z" id="g121-65"></path></g><g transform="matrix(.013,0,0,-0.013,8.645,0)"><path d="M631 18C609 24 585 35 559 65C534 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82 289 63 306 54C322 63 340 82 350 102C330 152 324 179 321 236C368 205 390 186 422 144C444 143 470 148 486 158Z" id="g50-43"></path></g></svg></span></td></tr><tr><td class="align_left">2</td><td class="align_center">PR</td></tr><tr><td class="align_left">3</td><td class="align_center">CR</td></tr><tr><td class="align_left">4</td><td class="align_center">SD</td></tr><tr><td class="align_left">5</td><td class="align_center">CR</td></tr><tr><td class="align_left">6</td><td class="align_center">PR</td></tr><tr><td class="align_left">7</td><td class="align_center">CR</td></tr><tr><td class="align_left">8</td><td class="align_center">SD</td></tr><tr><td class="align_left">9</td><td class="align_center">SD</td></tr><tr><td class="align_left">10</td><td class="align_center">CR</td></tr><tr><td class="align_left">11</td><td class="align_center">CR</td></tr><tr><td class="align_left">12</td><td class="align_center">SD</td></tr><tr><td class="align_left">13</td><td class="align_center">CR</td></tr><tr><td class="align_left">14</td><td class="align_center">PR</td></tr><tr><td class="align_left">15</td><td class="align_center"><span style="width: 21.6936ptpx;"><svg height="10.2698pt" id="M12" style="vertical-align:-0.1673002pt" version="1.1" viewbox="-0.0498162 -10.1025 21.6936 10.2698" width="21.6936pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M46 650V622C120 617 128 613 128 525V125C128 42 120 34 40 28V0H311V28C221 34 212 39 212 124V281L286 262C297 261 316 261 331 263C429 275 526 338 526 468C526 533 501 579 462 609C422 638 364 650 293 650H46ZM212 559C212 588 215 600 223 606C230 613 251 618 279 618C361 618 430 572 430 464C430 337 350 302 285 302C252 302 225 309 212 314V559Z" id="g121-78"></path></g><g transform="matrix(.013,0,0,-0.013,7.254,0)"><path d="M631 18C609 24 585 35 559 65C534 91 514 117 478 169C448 214 406 281 389 313C462 346 516 399 516 485C516 545 490 590 449 616C412 641 363 650 290 650H42V622C120 615 128 612 128 527V125C128 40 120 34 38 28V0H300V28C221 34 212 40 212 125V284H244C295 284 312 272 329 244C359 195 395 133 430 84C475 19 516 -3 592 -7C603 -8 615 -8 627 -8L631 18ZM212 316V563C212 591 215 602 223 607C231 613 248 617 277 617C352 617 423 577 423 469C423 415 407 375 368 345C343 324 310 316 260 316H212Z" id="g121-80"></path></g><g transform="matrix(.0091,0,0,-0.0091,15.515,-5.741)"><path d="M486 158C486 177 478 202 466 220C413 228 386 236 336 262C386 288 413 297 466 304C478 323 486 347 485 366C470 376 444 381 422 380C389 338 368 319 321 288C323 345 329 372 349 422C339 442 322 461 305 470C289 461 271 442 262 422C281 372 287 345 290 288C243 319 222 338 189 380C167 381 142 376 125 366C125 347 133 322 145 304C198 296 225 288 275 262C225 236 198 227 145 220C133 201 125 177 126 158C141 148 167 143 189 144C222 186 243 205 290 236C288 179 282 152 262 102C272 82 289 63 306 54C322 63 340 82 350 102C330 152 324 179 321 236C368 205 390 186 422 144C444 143 470 148 486 158Z" id="g50-43"></path></g></svg></span></td></tr><tr><td class="align_left">16</td><td class="align_center">PR</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>CR: complete response; LT4: Levothyroxine; RP: partial response; SD: stable disease. <svg height="13.9365pt" id="M13" style="vertical-align:-3.834pt" version="1.1" viewbox="-0.0498162 -10.1025 52.2146 13.9365" width="52.2146pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,-5.741)"><path d="M486 158C486 177 478 202 466 220C413 228 386 236 336 262C386 288 413 297 466 304C478 323 486 347 485 366C470 376 444 381 422 380C389 338 368 319 321 288C323 345 329 372 349 422C339 442 322 461 305 470C289 461 271 442 262 422C281 372 287 345 290 288C243 319 222 338 189 380C167 381 142 376 125 366C125 347 133 322 145 304C198 296 225 288 275 262C225 236 198 227 145 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Local metabolic tumor response based on <sup>18</sup>F-FDG PET (PERCIST criteria) at 1st follow-up after radiotherapy.

Journal of Thyroid Research

tab3

Table 3

Table 3: <sup>18</sup>F-FDG Pet-Guided External Beam Radiotherapy in Iodine-Refractory Differentiated Thyroid Cancer: A Pilot Study 

Journal of Thyroid Research

18F-FDG Pet-Guided External Beam Radiotherapy in Iodine-Refractory Differentiated Thyroid Cancer: A Pilot Study

Table 3

¹⁸F-FDG Pet-Guided External Beam Radiotherapy in Iodine-Refractory Differentiated Thyroid Cancer: A Pilot Study