## What is/are 18 Gy?

18 Gy - The doses in between the range of 318 Gy 179 Gy doses were most appropriate to induce variation in cowpea.^{[1]}Median doses were 16 Gy (range, 11–18 Gy) for the S-GKS group and 8 Gy (range, 7–10 Gy) in three fractions for the M-GKS group.

^{[2]}The median marginal prescription dose was 18 Gy.

^{[3]}These cases were re-planned on TomoTherapy for SBRT, with 18 Gy × 3 fractions to a planning target volume (PTV) defined on the breath-hold CT without ITV expansion.

^{[4]}8% of patient had early stage (T1-2) non-small cell lung cancer and were treated with common regimens including 10 Gy ×5, 12 Gy ×4 and 18 Gy ×3; 26.

^{[5]}Design Data was collected from an abstract booklet for a 2018 gynecologic annual meeting, including information on author specialty, number of abstracts published, and the number and nature of the listed disclosures.

^{[6]}Irradiation with a single radiation dose of 18 Gy was performed using a cobalt-60 (60Co) gamma-ray source.

^{[7]}The distribution of causes was estimated by a descriptive analysis of literature-based causes: minimal margin dose < 18 Gy, residual nidus outside the initial targeted volume, prior embolization, recanalization and size of the target volume.

^{[8]}Prescription dose for these patients varied from 8 to 18 Gy/fraction with 3 to 5 treatment fractions.

^{[9]}The simulated radiation doses are 15 Gy, 18 Gy, 20 Gy and 24 Gy administered 5 times for each dose.

^{[10]}RESULTS Of 290 patients who met inclusion criteria, 160 patients were treated by 18 gynecologic oncologists and 130 patients by 75 ob-gyns.

^{[11]}Methods Five single fraction spine SBRT (18 Gy) cases — including one cervical, two thoracic, and two lumbar spines — clinically treated with ssIMRT were replanned with VMAT, and all plans were delivered to a phantom for comparing plan quality and delivery accuracy.

^{[12]}D100 of HR-CTV volume was 18 Gy (3.

^{[13]}After the surgery, she received multi-agent chemotherapy and radiation therapy consisting of 18 Gy craniospinal irradiation and 51.

^{[14]}Median doses were 16 Gy (range, 11–18 Gy) for the S-GKS group and 8 Gy (range, 7–10 Gy) in three fractions for the M-GKS group.

^{[15]}The prescribed dose was 25-30 Gy in 5 fractions for 30 patients and 12-18 Gy in a single fraction for 6 patients.

^{[16]}Factors associated with poor outcomes were KPS ≤70, SRS dose <18 Gy, and use of <2 chemotherapy agents prior to SRS.

^{[17]}The postsurgical radiotherapy regimen was 18 Gy administered in 3 fractions over 3 days.

^{[18]}Patients received one initial LRT fraction of 18 Gy in the vertices and 3 Gy in the periphery.

^{[19]}This is the main finding of a study that used timedriven activity-based costing (TDABC) methodology to compare the total resource use and relative costs of RT delivery for spinal metastases with SSRS (single-fraction [SSRS-1] to 18 Gy or 3-fraction [SSRS-3] to 27 Gy), 10-fraction 3D-RT to 30 Gy or 10-fraction IMRT to 30 Gy.

^{[20]}Furthermore, the combination of gemcitabine and 2Br-DAB or 2Br-DAB and 18 Gy irradiation showed additional antineoplastic effects.

^{[21]}Study Objective To evaluate the role of robotic simulation in training OBGYN residents by determining an optimal number of exercise repetitions prior to clinical debut; To assess whether clinical exposure accelerates proficiency by correlating laparoscopic/robotic experience with simulator skills acquisition Design Prospective cohort study Setting Urban academic center with active COEMIG designation Patients or Participants 2017-2018 Gynecology residents(PGY1-4) Interventions Voluntary participants were instructed to complete 10 repetitions of 5 exercises (pegboard-1, energy dissection-1, energy switching-1, ringr however, after one round, many trainees failed to attain the pre-determined passing score of 80%.

^{[22]}A total of 18 Gy in 4.

^{[23]}The initial prescription doses were 18 Gy in a single fraction for every plan in this study.

^{[24]}METHODS Data on 610 consecutive patients with AVM treated with SRS using regular (18-22 Gy) or low (<18 Gy) prescription doses were retrospectively analyzed.

^{[25]}Two treatment plans (16 Gy and 18 Gy) were created using the MRI and CT contours (92 plans total).

^{[26]}4 vs 218 Gy ∙ cm2, P =.

^{[27]}The minimum dose of irradiation to prevent adults emerge was 118 Gy.

^{[28]}METHODS Comparisons were made between (1) 10-fraction 3D-RT to 30 Gy, (2) 10-fraction IMRT to 30 Gy, (3) 3-fraction SSRS (SSRS-3) to 27 Gy, and (4) single-fraction SSRS (SSRS-1) to 18 Gy.

^{[29]}RESULTS Two hundred thirty-two (79%) patients received SRS as salvage following prior whole-brain irradiation (WBRT) or prophylactic cranial irradiation, with a median marginal dose of 18 Gy.

^{[30]}1 months with a median prescription of 18 Gy.

^{[31]}We did not observe the effect of prophylactic cranial irradiation (12 or 18 Gy) or the time of treatment (before vs.

^{[32]}Median EQD2 Dmax at SHA was 18 Gy (range 0.

^{[33]}A prescription dosage of 18 Gy dose can obtain favorable clinical efficacy.

^{[34]}To determine the maximal dose of safe induction boost, the tolerance, and acute toxicity rates in a dose-escalation manner from 9 to 18 GyE in three fractions will be used.

^{[35]}8), and the median radiation dose to the target was 18 Gy (range, 12–30).

^{[36]}In group 2, mice were irradiated to chest area with 18 Gy gamma rays.

^{[37]}All patients underwent SRS (18 Gy in 3 sessions) between 2007 and 2012 at Tri-Service General Hospital, Taipei, Taiwan.

^{[38]}Median dose was 16Gy (12–18 Gy) for SF-SRS and 24 Gy (18–30 Gy) for MF-SRS.

^{[39]}Median margin dose was 18 Gy for both the frame-based and frameless treatments.

^{[40]}3%), and 18 Gy in three fractions (6.

^{[41]}18 Gy/s at room temperature and various absorbed doses D = 15–150 kGy.

^{[42]}Mice chest regions were irradiated with 18 Gy using a cobalt-60 gamma rays source.

^{[43]}Median dose for sSRS was 18 Gy (range 11–25 Gy), with a median isodose of 50% (range 50–65%).

^{[44]}Several of the treatment plans were considered clinically acceptable when local dose prescriptions (14–18 Gy) were used, but when the prescription dose to all metastases was increased to match the RTOG 0320 recommended value of 24 Gy, no plans resulted in a V12 less than 10 cm3.

^{[45]}RT doses were gradually reduced to 36 Gy for primary tumors and 18 Gy for neuraxis.

^{[46]}The postsurgical radiotherapy modality was 18 Gy administered in 3 fractions over 3 days.

^{[47]}All keloids were surgically resected and participants received 3 consecutive days of a customized dose of SRT, with a maximum cumulative dosage of 18 Gy.

^{[48]}18 Gy, and 26 (27%) of 98 points B were not located in any pelvic lymph node regions.

^{[49]}18 Gy⁎cm2 to 20.

^{[50]}

## 50 % isodose

PATIENTS AND METHODS From 2005 to 2015, 362 consecutive patients with brain metastases from RCC were treated using SRS in 1 fraction: 226 metastases (61 patients) using Gamma-Knife at a median of 18 Gy (50% isodose line); 136 metastases (63 patients) using linear accelerator at a median of 16 Gy (70% isodose line).^{[1]}The mean prescription dose for the first treatment was 13 Gy (range, 9-18 Gy) to the 50% isodose line, and the intratumoral mean dose was 17.

^{[2]}6) treated with a median margin dose of 18 Gy (range 12–20) at the 50% isodose line (range 30–80%).

^{[3]}

## 18 gy administered

The postsurgical radiotherapy regimen was 18 Gy administered in 3 fractions over 3 days.^{[1]}The postsurgical radiotherapy modality was 18 Gy administered in 3 fractions over 3 days.

^{[2]}

## 18 gy irradiation

Furthermore, the combination of gemcitabine and 2Br-DAB or 2Br-DAB and 18 Gy irradiation showed additional antineoplastic effects.^{[1]}japonicas) in inhibiting the radiation-induced pulmonary inflammation through an acute lung injury mouse model using C57BL/6 mice that received 18 Gy irradiation to the thoracic region.

^{[2]}