Jakob Toftegaard
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Explore the profile of Jakob Toftegaard including associated specialties, affiliations and a list of published articles.
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13
Citations
117
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Recent Articles
1.
Toftegaard J, Keall P, OBrien R, Ruan D, Ernst F, Homma N, et al.
Med Phys
. 2018 Mar;
45(5):2218-2229.
PMID: 29574859
Purpose/objectives: Intrafraction tumor motion during external radiotherapy is a challenge for the treatment accuracy. A novel technique to mitigate the impact of tumor motion is real-time adaptation of the multileaf...
2.
Bertholet J, Toftegaard J, Hansen R, Worm E, Wan H, Parikh P, et al.
Phys Med Biol
. 2018 Mar;
63(5):055012.
PMID: 29516868
The purpose of this study was to develop, validate and clinically demonstrate fully automatic tumour motion monitoring on a conventional linear accelerator by combined optical and sparse monoscopic imaging with...
3.
Andersen A, Casares-Magaz O, Petersen J, Toftegaard J, Bentzen L, Thornqvist S, et al.
Acta Oncol
. 2017 May;
56(6):846-852.
PMID: 28464734
Background: Proton therapy dose distributions are sensitive to range variations, e.g. arising from inter-fraction organ motion. The aim of this study was to evaluate the inter-fraction motion robustness of proton...
4.
Toftegaard J, Hansen R, Ravkilde T, Macek K, Poulsen P
Med Phys
. 2017 Jan;
44(3):798-809.
PMID: 28079260
Purpose/objective: Couch and MLC tracking are two novel techniques to mitigate intrafractional tumor motion on a conventional linear accelerator, but both techniques still have residual dosimetric errors. Here, we first...
5.
Murtaza G, Toftegaard J, Khan E, Poulsen P
Radiother Oncol
. 2016 Dec;
122(1):109-115.
PMID: 27908453
Purpose: To improve MLC tracking of prostate VMAT plans by dynamic rotation of the collimator to align the MLC leaves with the dominant prostate motion direction. Methods: For 22 prostate...
6.
Schmidt M, Hoffmann L, Knap M, Rasmussen T, Folkersen B, Toftegaard J, et al.
Radiother Oncol
. 2016 Aug;
121(1):52-58.
PMID: 27492202
Background And Purpose: Involved mediastinal lymph nodes (LNs) are often included in the radiotherapy target for lung cancer patients. Their motion may differ from the primary tumor motion, possibly undermining...
7.
Hansen R, Ravkilde T, Worm E, Toftegaard J, Grau C, Macek K, et al.
Med Phys
. 2016 May;
43(5):2387.
PMID: 27147350
Purpose: Couch and MLC tracking are two promising methods for real-time motion compensation during radiation therapy. So far, couch and MLC tracking experiments have mainly been performed by different research...
8.
Andersen A, Casares-Magaz O, Muren L, Toftegaard J, Bentzen L, Thornqvist S, et al.
Acta Oncol
. 2015 Jul;
54(9):1643-50.
PMID: 26203931
Background: The benefit of proton therapy may be jeopardized by dose deterioration caused by water equivalent path length (WEPL) variations. In this study we introduced a method to evaluate robustness...
9.
Toftegaard J, Fledelius W, Seghers D, Huber M, Brehm M, Worm E, et al.
Med Phys
. 2014 Dec;
41(12):121710.
PMID: 25471957
Purpose: Implanted gold markers for image-guided radiotherapy lead to streaking artifacts in cone-beam CT (CBCT) scans. Several methods for metal artifact reduction (MAR) have been published, but they all fail...
10.
Casares-Magaz O, Toftegaard J, Muren L, Kallehauge J, Bassler N, Poulsen P, et al.
Acta Oncol
. 2014 Jul;
53(8):1058-63.
PMID: 24975371
Background: Proton therapy offers the potential for sparing the normal tissue surrounding the target. However, due to well-defined proton ranges around the Bragg peak, dose deposition is more sensitive to...