Steven Morrill
Overview
Explore the profile of Steven Morrill including associated specialties, affiliations and a list of published articles.
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9
Citations
53
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Recent Articles
1.
Deshazer G, Narayanasamy G, Bimali M, Galhardo E, Kalantari F, Xia F, et al.
Biomed Phys Eng Express
. 2022 Jan;
8(2).
PMID: 35086071
. This is a dosimetric study comparing stereotactic body radiotherapy (SBRT) plans of spine tumors using Brainlab Elements Spine planning module against Eclipse RapidArc plans. Dose conformity, dose gradient, dose...
2.
Narayanasamy G, Morrill S, Cousins D, Liu J, Deshazer G, Garner W, et al.
J Appl Clin Med Phys
. 2019 Sep;
20(10):134-141.
PMID: 31532068
Purpose: This study aims to compare stereotactic radiosurgery (SRS) planning of epilepsy that complies with Radiosurgery or Open Surgery for Epilepsy (ROSE) guidelines in GammaKnife, non-coplanar conformal (NCC) plan in...
3.
Zhang X, Rong Y, Morrill S, Fang J, Narayanasamy G, Galhardo E, et al.
J Appl Clin Med Phys
. 2018 Mar;
19(3):19-26.
PMID: 29524301
Robust optimization generates scenario-based plans by a minimax optimization method to find optimal scenario for the trade-off between target coverage robustness and organ-at-risk (OAR) sparing. In this study, 20 lung...
4.
Narayanasamy G, Desai D, Morrill S, Zhang X, Galhardo E, Maraboyina S, et al.
Med Phys
. 2018 Feb;
45(5):2325-2328.
PMID: 29480933
Purpose: Intermediate- and low-dose falloff in stereotactic body radiotherapy (SBRT) of lung tumor is known to relate to normal tissue toxicity. The purpose is twofold to analyze the relation between...
5.
Paudel N, Narayanasamy G, Han E, Penagaricano J, Mavroidis P, Zhang X, et al.
J Appl Clin Med Phys
. 2017 Aug;
18(5):237-244.
PMID: 28771941
Introduction: The gamma analysis used for quality assurance of a complex radiotherapy plan examines the dosimetric equivalence between planned and measured dose distributions within some tolerance. This study explores whether...
6.
Sharma S, Narayanasamy G, Clarkson R, Chao M, Moros E, Zhang X, et al.
Technol Cancer Res Treat
. 2017 Mar;
16(6):811-818.
PMID: 28355964
Purpose: To assess the quality of cone beam computed tomography images obtained by a robotic arm-based and image-guided small animal conformal radiation therapy device. Method And Materials: The small animal...
7.
Zhang X, Penagaricano J, Narayanasamy G, Corry P, Liu T, Sanjay M, et al.
J Appl Clin Med Phys
. 2017 Mar;
18(1):178-185.
PMID: 28291935
RaySearch RayStation Fallback (FB) planning module can generate an equivalent backup radiotherapy treatment plan facilitating treatment on other linear accelerators. FB plans were generated from the RayStation FB module by...
8.
Narayanasamy G, Zhang X, Meigooni A, Paudel N, Morrill S, Maraboyina S, et al.
Acta Oncol
. 2017 Mar;
56(8):1043-1047.
PMID: 28270018
Introduction: Spatially fractionated radiation therapy (SFRT or grid therapy) has proven to be effective in management of bulky tumors. The aim of this project is to study the therapeutic ratio...
9.
Zhang X, Penagaricano J, Yan Y, Liang X, Morrill S, Griffin R, et al.
J Appl Clin Med Phys
. 2016 Feb;
17(1):396-407.
PMID: 26894367
Spatially fractionated radiotherapy (GRID) was designed to treat large tumors while sparing skin, and it is usually delivered with a linear accelerator using a commercially available block or multileaf collimator...