Articles with "position" as a keyword



Photo by hakannural from unsplash

Modification of Chin Projection and Aesthetics With OnabotulinumtoxinA Injection

Sign Up to like & get
recommendations!
Published in 2017 at "JAMA Facial Plastic Surgery"

DOI: 10.1001/jamafacial.2017.0606

Abstract: Importance Because of the soft-tissue envelope and the dimensional complexity of the muscular contraction of the mentalis muscle, the projection and shape of the chin is not determined by only the bony projection. In a… read more here.

Keywords: position pogonion; position; injection; projection ... See more keywords
Photo from wikipedia

Effect of Supine vs Prone Breast Radiotherapy on Acute Toxic Effects of the Skin Among Women With Large Breast Size: A Randomized Clinical Trial.

Sign Up to like & get
recommendations!
Published in 2022 at "JAMA oncology"

DOI: 10.1001/jamaoncol.2022.1479

Abstract: Importance Women with large breast size treated with adjuvant breast radiotherapy (RT) have a high rate of acute toxic effects of the skin. Breast RT in the prone position is one strategy that may decrease… read more here.

Keywords: breast; trial; prone; toxic effects ... See more keywords
Photo from wikipedia

A quantitative method to the analysis of MLC leaf position and speed based on EPID and EBT3 film for dynamic IMRT treatment with different types of MLC

Sign Up to like & get
recommendations!
Published in 2017 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12102

Abstract: Abstract A quantitative method based on the electronic portal imaging system (EPID) and film was developed for MLC position and speed testing; this method was used for three MLC types (Millennium, MLCi, and Agility MLC).… read more here.

Keywords: position speed; analysis; position; film ... See more keywords
Photo by marceloleal80 from unsplash

Technical Note: Using k‐means clustering to determine the number and position of isocenters in MLC‐based multiple target intracranial radiosurgery

Sign Up to like & get
recommendations!
Published in 2017 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12139

Abstract: Abstract Purpose To present the k‐means clustering algorithm as a tool to address treatment planning considerations characteristic of stereotactic radiosurgery using a single isocenter for multiple targets. Methods For 30 patients treated with stereotactic radiosurgery… read more here.

Keywords: means clustering; position; treatment; target ... See more keywords
Photo from wikipedia

A feasibility study of intrafractional tumor motion estimation based on 4D‐CBCT using diaphragm as surrogate

Sign Up to like & get
recommendations!
Published in 2018 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12410

Abstract: Abstract Purpose To investigate the intrafractional stability of the motion relationship between the diaphragm and tumor, as well as the feasibility of using diaphragm motion to estimate lung tumor motion. Methods Eighty‐five paired (pre and… read more here.

Keywords: motion; image; estimation; position ... See more keywords
Photo from wikipedia

A novel quality assurance procedure for trajectory log validation using phantom‐less real‐time latency corrected EPID images

Sign Up to like & get
recommendations!
Published in 2021 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13202

Abstract: Abstract The use of trajectory log files for routine patient quality assurance is gaining acceptance. Such use requires the validation of the trajectory log itself. However, the accurate localization of a multileaf collimator (MLC) leaf… read more here.

Keywords: trajectory log; position; latency; quality assurance ... See more keywords
Photo by marceloleal80 from unsplash

Using a daily monitoring system to reduce treatment position override rates in external beam radiation therapy

Sign Up to like & get
recommendations!
Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13629

Abstract: Abstract Purpose/objectives: To report our 7‐year experience with a daily monitoring system to significantly reduce couch position overrides and errors in patient treatment positioning. Materials and methods: Treatment couch position override data were extracted from… read more here.

Keywords: tolerance; monitoring system; treatment; daily monitoring ... See more keywords
Photo from wikipedia

The effect of vibration generated by demolition work on irradiation position accuracy of stereotactic radiotherapy system

Sign Up to like & get
recommendations!
Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13659

Abstract: Abstract Purpose One existing building, adjacent to the radiotherapy building, where stereotactic radiation was done, was to be demolished to give space for the construction of a new building. However, we were concerned that the… read more here.

Keywords: system; radiotherapy; demolition; position ... See more keywords
Photo from wikipedia

Four irradiation and three positioning techniques for whole‐breast radiotherapy: Is sophisticated always better?

Sign Up to like & get
recommendations!
Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13720

Abstract: Abstract Purpose We report on a dosimetrical study of three patient positions (supine, prone dive, and prone crawl) and four irradiation techniques for whole‐breast irradiation (WBI): wedged‐tangential fields (W‐TF), tangential‐field intensity‐modulated radiotherapy (TF‐IMRT), multi‐beam IMRT… read more here.

Keywords: prone dive; breast; prone; prone crawl ... See more keywords
Photo by freestocks from unsplash

Reproducibility of chestwall and heart position using surface‐guided versus RPM‐guided DIBH radiotherapy for left breast cancer

Sign Up to like & get
recommendations!
Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13755

Abstract: Abstract This study compared the reproducibility of chestwall and heart position using surface‐guided versus RPM (real‐time position management)‐guided deep inspiration breath hold (DIBH) radiotherapy for left sided breast cancer. Forty DIBH patients under either surface‐guided… read more here.

Keywords: rpm; surface; heart; versus rpm ... See more keywords
Photo by drew_hays from unsplash

MR‐linac daily semi‐automated end‐to‐end quality control verification

Sign Up to like & get
recommendations!
Published in 2023 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13916

Abstract: Abstract Purpose Adaptive radiation therapy (ART) on the integrated Elekta Unity magnetic resonance (MR)‐linac requires routine quality assurance to verify delivery accuracy and system data transfer. In this work, our objective was to develop and… read more here.

Keywords: end end; accuracy; test; treatment ... See more keywords