Dosimetric Effect of Rotational Setup Errors in Single|Isocenter ...

Dosimetric Effect of Rotational Setup Errors in Single-Isocenter ...

[11,12] One caveat of a single-isocenter, multi-target technique is its susceptibility to rotational setup deviations. If each target is separately planned, the ...

Dosimetric Effect of Rotational Setup Errors in Single-Isocenter ...

Our results indicate that correcting rotational uncertainties is critical in single-isocenter, multi-target SRS. For rotational deviations, radial distance ...

Dosimetric effects of rotational errors for single isocenter multiple ...

This study uses a phantom to investigate the dosimetric impact of rotational setup errors for Single Isocenter Multiple Targets (SIMT) HyperArc plans.

Dosimetric effects of rotational errors for single isocenter multiple ...

This study uses a phantom to investigate the dosimetric impact of rotational setup errors for Single Isocenter Multiple Targets (SIMT) HyperArc ...

Dosimetric Impact of Patient Rotational Setup Errors with Frameless ...

Target coverage for single-isocenter, multi-target VMAT radiosurgery has a heightened sensitivity to rotational setup error. Minimizing rotational error to ≤1° ...

Dosimetric Impact of Setup Errors in Single-Isocenter VMAT ...

The median post-treatment 3D error and maximum rotational error over all 129 BM were 0.5 mm [0.1–2.7] and 0.3° [0.0–1.3], respectively. The resulting median ...

Dosimetric Effect of Rotational Setup Errors in Single-Isocenter ...

For small BM (≤1 cc) situated >3 cm from the plan isocenter, the dose received by 95% of the BM decreased in median (interquartile range) by 6.3 ...

Dosimetric effect of rotational setup errors in stereotactic ...

The rotational setup errors for multiple brain metastases cases caused non‐negligible underdosage for PTV and significant increases of V10Gy to V16Gy in SRS ...

Dosimetric effect of rotational setup errors in volumetric modulated ...

Rotational setup errors up to 3 ° were simulated by rotating the planning images, and the resulting dosimetric changes were calculated. With rotational setup ...

Dosimetric impact of rotational setup errors in volumetric modulated ...

In conclusion, rotational setup errors only slightly impact dose coverage during postoperative cervical cancer VMAT. However, the pitch setup ...

Dosimetric effects of rotational errors for single isocenter multiple ...

Purpose This study uses a phantom to investigate the dosimetric impact of rotational setup errors for Single Isocenter Multiple Targets (SIMT) HyperArc ...

Dosimetric impact of rotational errors on the - ProQuest

This work aims to study the dosimetric impact of rotational errors in such applications, under a comparative perspective between the single‐ and two‐isocenter ...

Combined effect of dose gradient and rotational error on prescribed ...

To evaluate the combined effect of rotational error and dose gradient on target dose coverage in frameless stereotactic radiotherapy.

Dosimetric consequences of translational and rotational errors in ...

Simulation of RS without image-guidance reduced target coverage and conformity to 75% ± 19% and 60% ± 25% of planned values. Each 3D set-up ...

Dosimetric Consequences of Rotational Patient Setup Errors in ...

For treatments of multiple nonisocentric targets, especially those that are far from the treatment isocenter, the rotational setup error threshold may need to ...

Dosimetric impact of rotational errors on the quality of VMAT‐SRS ...

The effect is, however, strongly associated with target volume. Regarding OARs, for single‐isocenter plans, significant increase (up to 63%) in Dmax and D0.02cc ...

Effect of setup error in the single‐isocenter - ProQuest

We calculated the reduction in dose coverage for the targets at each rotational error and 6DoF setup error. The results were then compared to those with 0° ...

Dosimetric consequences of rotational setup errors with direct ...

Figure 2 shows the definition of pitch, roll, and yaw used in this study. All simulated rotations were with respect to the treatment isocenter. For each patient ...

Dosimetric impact of rotational errors on the quality of VMAT-SRS for ...

In the most extreme case considered (2⁰ around all axes) conformity index deteriorated by on-average 7.2%/cm of distance to isocenter, if one isocenter is used, ...

Single-Isocenter Linac-Based Radiosurgery for Brain Metastases ...

Although literature reports geometric accuracy within 1–2 mm [16,17,22,25,26,27], residual setup errors combined with intrafraction head motion ...