Search Results - "Liu, H. Helen"
-
1
Influence of Technologic Advances on Outcomes in Patients With Unresectable, Locally Advanced Non–Small-Cell Lung Cancer Receiving Concomitant Chemoradiotherapy
Published in International journal of radiation oncology, biology, physics (01-03-2010)“…Purpose In 2004, our institution began using four-dimensional computed tomography (4DCT) simulation and then intensity-modulated radiotherapy (IMRT)…”
Get full text
Journal Article -
2
Assessing Respiration-Induced Tumor Motion and Internal Target Volume Using Four-Dimensional Computed Tomography for Radiotherapy of Lung Cancer
Published in International journal of radiation oncology, biology, physics (01-06-2007)“…Purpose: To assess three-dimensional tumor motion caused by respiration and internal target volume (ITV) for radiotherapy of lung cancer. Methods and…”
Get full text
Journal Article -
3
Risk Factors for Pericardial Effusion in Inoperable Esophageal Cancer Patients Treated With Definitive Chemoradiation Therapy
Published in International journal of radiation oncology, biology, physics (01-03-2008)“…Purpose To identify clinical and dosimetric factors influencing the risk of pericardial effusion (PCE) in patients with inoperable esophageal cancer treated…”
Get full text
Journal Article -
4
Initial Evaluation of Treatment-Related Pneumonitis in Advanced-Stage Non–Small-Cell Lung Cancer Patients Treated With Concurrent Chemotherapy and Intensity-Modulated Radiotherapy
Published in International journal of radiation oncology, biology, physics (01-05-2007)“…Purpose To investigate the rate of high-grade treatment-related pneumonitis (TRP) in patients with advanced non–small-cell lung cancer (NSCLC) treated with…”
Get full text
Journal Article -
5
Dose-Dependent Pulmonary Toxicity After Postoperative Intensity-Modulated Radiotherapy for Malignant Pleural Mesothelioma
Published in International journal of radiation oncology, biology, physics (01-10-2007)“…Purpose: To determine the incidence of fatal pulmonary events after extrapleural pneumonectomy and hemithoracic intensity-modulated radiotherapy (IMRT) for…”
Get full text
Journal Article -
6
Analysis of Radiation Pneumonitis Risk Using a Generalized Lyman Model
Published in International journal of radiation oncology, biology, physics (01-10-2008)“…Purpose To introduce a version of the Lyman normal-tissue complication probability (NTCP) model adapted to incorporate censored time-to-toxicity data and…”
Get full text
Journal Article -
7
Preserving Functional Lung Using Perfusion Imaging and Intensity-Modulated Radiation Therapy for Advanced-Stage Non–Small Cell Lung Cancer
Published in International journal of radiation oncology, biology, physics (01-08-2007)“…Purpose: To assess quantitatively the impact of incorporating functional lung imaging into intensity-modulated radiation therapy planning for locally advanced…”
Get full text
Journal Article -
8
Underestimation of Low-Dose Radiation in Treatment Planning of Intensity-Modulated Radiotherapy
Published in International journal of radiation oncology, biology, physics (01-08-2008)“…Purpose To investigate potential dose calculation errors in the low-dose regions and identify causes of such errors for intensity-modulated radiotherapy…”
Get full text
Journal Article -
9
Feasibility of using intensity-modulated radiotherapy to improve lung sparing in treatment planning for distal esophageal cancer
Published in Radiotherapy and oncology (01-12-2005)“…To evaluate the feasibility whether intensity-modulated radiotherapy (IMRT) can be used to reduce doses to normal lung than three-dimensional conformal…”
Get full text
Journal Article -
10
Beam angle optimization and reduction for intensity-modulated radiation therapy of non-small-cell lung cancers
Published in International journal of radiation oncology, biology, physics (01-06-2006)“…To optimize beam angles and reduce the number of beams used for intensity-modulated radiation therapy (IMRT) of non-small-cell lung cancer (NSCLC). An…”
Get more information
Journal Article -
11
Impact of Toxicity Grade and Scoring System on the Relationship Between Mean Lung Dose and Risk of Radiation Pneumonitis in a Large Cohort of Patients With Non–Small Cell Lung Cancer
Published in International journal of radiation oncology, biology, physics (01-07-2010)“…Purpose To compute the risk of radiation pneumonitis (RP) as a function of mean lung dose (MLD), with RP scored using three grading systems and analyzed at…”
Get full text
Journal Article -
12
Comparison of rectal dose-wall histogram versus dose-volume histogram for modeling the incidence of late rectal bleeding after radiotherapy
Published in International journal of radiation oncology, biology, physics (01-12-2004)“…To compare the fits of normal-tissue complication probability (NTCP) models based on rectal dose-wall histograms (DWHs) vs. dose-volume histograms (DVHs) when…”
Get more information
Journal Article -
13
Acute Aortic Occlusion and Its Sequelae: Metabolic, Pathologic Etiology, and Management
Published in Cardiology in review (01-03-2021)“…Acute occlusion of the abdominal aorta is a catastrophic occurrence that results in high risk of limb loss and death. The etiology has historically been either…”
Get full text
Journal Article -
14
Intrathoracic Patterns of Failure for Non–Small-Cell Lung Cancer With Positron-Emission Tomography/Computed Tomography–Defined Target Delineation
Published in International journal of radiation oncology, biology, physics (01-12-2007)“…Purpose Dosimetric studies suggested several advantages to defining the radiotherapy target by using positron-emission tomography (PET)/computed tomography…”
Get full text
Journal Article -
15
Development and commissioning of a multileaf collimator model in Monte Carlo dose calculations for intensity-modulated radiation therapy
Published in Medical physics (Lancaster) (01-03-2006)“…A multileaf collimator (MLC) model, “MATMLC,” was developed to simulate MLCs for Monte Carlo (MC) dose calculations of intensity-modulated radiation therapy…”
Get full text
Journal Article -
16
Analysis of clinical and dosimetric factors associated with treatment-related pneumonitis (TRP) in patients with non-small-cell lung cancer (NSCLC) treated with concurrent chemotherapy and three-dimensional conformal radiotherapy (3D-CRT)
Published in International journal of radiation oncology, biology, physics (01-12-2006)“…To investigate factors associated with treatment-related pneumonitis in non-small-cell lung cancer patients treated with concurrent chemoradiotherapy. We…”
Get more information
Journal Article -
17
Dosimetric verification for intensity-modulated radiotherapy of thoracic cancers using experimental and Monte Carlo approaches
Published in International journal of radiation oncology, biology, physics (01-11-2006)“…To investigate the dosimetric accuracy of commercial treatment planning systems used in intensity-modulated radiotherapy (IMRT) for thoracic cancer. Clinical…”
Get more information
Journal Article -
18
Short-Term Outcomes in Patients Undergoing Paraesophageal Hiatal Hernia Repair
Published in Scientific reports (30-04-2020)“…Many patients with hiatal hernias (HH) are asymptomatic; however, symptoms may include heartburn, regurgitation, dysphagia, nausea, or vague epigastric pain…”
Get full text
Journal Article -
19
Outcomes of Bariatric Surgery: Patients with Body Mass Index 60 or Greater
Published in Journal of the Society of Laparoendoscopic Surgeons (01-04-2021)“…Perioperative outcomes of bariatric surgery in patients with super super obesity (SSO) (BMI ≥ 60 kg/m ) merit further investigation. A retrospective review was…”
Get full text
Journal Article -
20
A method of simulating dynamic multileaf collimators using Monte Carlo techniques for intensity-modulated radiation therapy
Published in Physics in medicine & biology (01-09-2001)“…A method of modelling the dynamic motion of multileaf collimators (MLCs) for intensity-modulated radiation therapy (IMRT) was developed and implemented into…”
Get more information
Journal Article