Electronic Portal Imaging Device

A review of electronic portal imaging devices (EPIDs)

The NKI portal imaging system consists of a. 256x256 matrix ionization chamber and a microcomputer system for control and image processing. Figure 10 shows a ...

electronic portal imaging device - AAPM Publications - AAPM Reports

AAPM Reports are based on sources and information believed to be reliable, but AAPM and the editors disclaim any warranty or liability based on or relating to ...

Electronic Portal Imaging Device | PDF | Radioterapia | Dosimetria

1.2 External radiotherapy ... position and immobilise the patient at the treatment couch during daily treatments. ... Figure 1-1 Linear accelerator with an ...

The experience of a developing country using an electronic portal ...

The experience of a developing country using an electronic portal imaging device for the verification of patient positioning and dosimetry ...

Initial Clinical Experience with Electronic Portal Imaging Device ...

Keywords: Cervical cancer; dosimetry; endometrial cancer; electronic portal imaging device; external radiotherapy; gynecological cancer; in vivo dosimetry.

Dosimetric Performance of A-Si Electronic Portal Imaging Devices

We present here a detailed study of the acquisition and readout characteristics of a-Si EPID and its dosimetric performance.

Electronic portal imaging devices to verify electron beam treatment

Here we present images acquired with different types of commercially available electronic portal imaging devices (EPIDs), both conventional and an Amorphous- ...

Report of AAPM Radiation Therapy Committee Task Group 58

verification of conformal radiation therapy spurred the development of on-line electronic portal imaging devices (EPIDs). The modern era of electronic portal ...

Using an electronic portal imaging device for exit dose ...

In many oncology centres the Electronic Portal Imaging. Device (EPID) is used for the verification of patient setup during radiation treatment session.

A self-sufficient method for calibration of Varian electronic portal ...

Electronic portal imaging device (EPID) is currently used for dosimetric verification of IMRT fields and linac quality assurance (QA). It is critical to ...

Electronic portal imaging device (EPID) based on a novel camera ...

Electronic portal imaging devices (EPIDs) have many potential advantages over portal films used in radiation therapy. The most commonly used EPIDs are video ...

SU-E-T-775: Use of Electronic Portal Imaging Device (EPID) for ...

Title: SU-E-T-775: Use of Electronic Portal Imaging Device (EPID) for Quality Assurance (QA) of Electron Beams On Varian Truebeam System.

Clinical Efficacy of an Electronic Portal Imaging Device versus a ...

This study evaluated the efficacy of the EPID-based patient-specific QA tool versus the PTW729 detector (a previously used QA tool) based on gamma criteria and ...

Session Item - ESTRO

Evaluating Electronic Portal Imaging Device for small field measurements. A Aziz Sait, United States Minor Outlying Island. Presentation Number: PO-1531 ...

Investigating the Electronic Portal Imaging Device for Small ...

EPID is a viable option for profile and output factor measurements for field sizes down to 2 cm×2 cm in the absence of appropriate small field dosimeters.

Assessment of using electronic portal imaging device for analysing ...

In this study, the feasibility of using electronic portal imaging device (EPID) as an analysing equipment for bolus material was evaluated in terms of its ...

Small field measurements using electronic portal imaging device

Small field measurements using electronic portal imaging device, A Aziz Sait, SA Yoganathan, Glenn W Jones, Tusar Patel, Nikhil Rastogi, SP Pandey, ...

SU‐E‐T‐236: Evaluation of Electronic Portal Imaging Device in the ...

SU‐E‐T‐236: Evaluation of Electronic Portal Imaging Device in the Quality Assurance of Volumetric Modulated Arc Therapy. Z. Liu, P. Chan, S. li, B. Micaily ...

Evaluation of Usefulness of Portal Image Using Electronic Portal ...

Evaluation of Usefulness of Portal Image Using Electronic Portal Imaging Device (EPID) in the Patients Who Received Pelvic Radiation Therapy.

The use of an electronic portal imaging device for exit dosimetry and ...

To determine ways in which electronic portal imaging devices (EPIDs) could be used to (a) measure exit doses for external beam radiotherapy and (b) perform ...