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Articles 1 - 11 of 11
Full-Text Articles in Radiology
Initial Tumor Metabolic Parameters (Maximum Suv And Metabolic Volume) Predict Death From Lung Cancer And Rapid Suv Decline Is Associated With Local Control, Maria Werner-Wasik, Edward Pequignot, Terry Hyslop, Brian Shulli, Ying Xiao, Mitchell Machtay, Amy Taylor, Walter Curran, Rita Axelrod
Initial Tumor Metabolic Parameters (Maximum Suv And Metabolic Volume) Predict Death From Lung Cancer And Rapid Suv Decline Is Associated With Local Control, Maria Werner-Wasik, Edward Pequignot, Terry Hyslop, Brian Shulli, Ying Xiao, Mitchell Machtay, Amy Taylor, Walter Curran, Rita Axelrod
Department of Radiation Oncology Faculty Papers
Factors associated with local failure and death from lung cancer were evaluated based on post-treatment FDG-PET imaging in patients (pts) with non-small cell lung cancer (NSCLC).
PET-CT scans were obtained 6-8 weeks after thoracic RT and approximately every 3 months thereafter.
Combination Of Vandetanib, Radiotherapy, And Irinotecan In The Lovo Human Colorectal Cancer Xenograft Model., Phyllis Wachsberger, Randy Burd, Anderson Ryan, Constantine Daskalakis, Adam P. Dicker
Combination Of Vandetanib, Radiotherapy, And Irinotecan In The Lovo Human Colorectal Cancer Xenograft Model., Phyllis Wachsberger, Randy Burd, Anderson Ryan, Constantine Daskalakis, Adam P. Dicker
Department of Radiation Oncology Faculty Papers
PURPOSE: The tumor growth kinetics of the human LoVo colorectal xenograft model was assessed in response to vandetanib, an orally available receptor tyrosine kinase inhibitor, radiotherapy (RT), or irinotecan (CPT-11), as single therapies and in combination. METHODS AND MATERIALS: LoVo cells were injected subcutaneously into the right hind limb (5 x 10(6) cells in 100 microL phosphate-buffered saline) of athymic NCR NUM mice and tumors were grown to a volume of 200-300 mm(3) before treatment. Vandetanib was administered at 50 mg/kg daily orally for 14 days starting on Day 1. RT was given as three fractions (3 x 3 Gy) …
Imrt Commissioning: Multiple Institution Planning And Dosimetry Comparisons, A Report From Aapm Task Group 119., Gary A Ezzell, Jay W Burmeister, Nesrin Dogan, Thomas J Losasso, James G Mechalakos, Dimitris Mihailidis, Andrea Molineu, Jatinder R Palta, Chester R Ramsey, Bill J Salter, Jie Shi, Ping Xia, Ning J Yue, Ying Xiao, Phd
Imrt Commissioning: Multiple Institution Planning And Dosimetry Comparisons, A Report From Aapm Task Group 119., Gary A Ezzell, Jay W Burmeister, Nesrin Dogan, Thomas J Losasso, James G Mechalakos, Dimitris Mihailidis, Andrea Molineu, Jatinder R Palta, Chester R Ramsey, Bill J Salter, Jie Shi, Ping Xia, Ning J Yue, Ying Xiao, Phd
Department of Radiation Oncology Faculty Papers
AAPM Task Group 119 has produced quantitative confidence limits as baseline expectation values for IMRT commissioning. A set of test cases was developed to assess the overall accuracy of planning and delivery of IMRT treatments. Each test uses contours of targets and avoidance structures drawn within rectangular phantoms. These tests were planned, delivered, measured, and analyzed by nine facilities using a variety of IMRT planning and delivery systems. Each facility had passed the Radiological Physics Center credentialing tests for IMRT. The agreement between the planned and measured doses was determined using ion chamber dosimetry in high and low dose regions, …
Sonography Of The Neonatal Brain, Traci B. Fox
Sonography Of The Neonatal Brain, Traci B. Fox
Department of Radiologic Sciences Faculty Papers
Neurosonography is a critical part of the care of the sick newborn. Sonography is superior to other modalities in imaging of the brain because it can be performed at the bedside, is easily reproducible, and does not require ionizing radiation or sedation. This article refreshes the sonographer in the normal anatomy and appear- ance of the neonatal brain using sonography, as well as some of the more common pathologic conditions that may be encountered.
In Reply To Dr. Hurkmans Et Al., Ying Xiao, Phd, Lech S. Papiez, Phd, James M. Galvin, Dsc
In Reply To Dr. Hurkmans Et Al., Ying Xiao, Phd, Lech S. Papiez, Phd, James M. Galvin, Dsc
Department of Radiation Oncology Faculty Papers
No abstract provided.
Genomic Biomarkers For Molecular Imaging: Predicting The Future., Mathew L. Thakur
Genomic Biomarkers For Molecular Imaging: Predicting The Future., Mathew L. Thakur
Department of Radiation Oncology Faculty Papers
Over the past few decades, great strides have been made in anatomical imaging of disease that has led to their diagnosis with minimal invasion. Despite these advances, diseases such as cancer continue to take one human life every minute in the United States. Complimentary approaches that pertain directly to the genesis of the disease might contribute to its early diagnosis and subsequent management. In cancer, an array of molecular abnormalities leading to the modulations in expression of key proteins important in the cellular signaling pathways and cell proliferation has been identified. These specific disease fingerprints, biomarkers, are overexpressed on malignant …
Department Of Radiology-Annual Executive Summary Report-July 1, 2008 To June 30, 2009, Vijay M. Rao, Md
Department Of Radiology-Annual Executive Summary Report-July 1, 2008 To June 30, 2009, Vijay M. Rao, Md
Department of Radiology Administrative Documents and Reports
87 page Annual Executive Summary Report from Department of Radiology, Thomas Jefferson University, Philadelphia, Pennsylvania, United States.
Table of Contents:
Department of Radiology
Chairman, Vice Chairmen 1
Divisions and Directors 1
Committees and Chairmen 1
Radiology Department Faculty Rank 2
Faculty with Secondary Appointments 3
Clinical Divisions 4
Radiology Residents and Fellows 5
Department Organizational Chart 6
Department Administration Chart 7
State of the Department 8
Appendix I: Publications Journal Articles 21
Books and Book Chapters 29
Abstracts 30
Appendix II: Formal Scientific Presentations 40
Appendix III: Honors, Editorial Activities, Service to Regional or National Organizations 61
Appendix IV: Active …
A Real-Time Prostate Cancer Detection Technique Using Needle Insertion Force And Patient-Specific Criteria During Percutaneous Intervention, Kaiguo Yan, T. Podder, L. Li, J. Joseph, D. R. Rubens, E. M. Messing, L. Liao, Y. Yu
A Real-Time Prostate Cancer Detection Technique Using Needle Insertion Force And Patient-Specific Criteria During Percutaneous Intervention, Kaiguo Yan, T. Podder, L. Li, J. Joseph, D. R. Rubens, E. M. Messing, L. Liao, Y. Yu
Department of Radiation Oncology Faculty Papers
In this article, the authors present a novel real-time cancer detection technique by using needle insertion forces in conjunction with patient-specific criteria during percutaneous interventions. Needle insertion experiments and pathological analysis were performed for developing a computer-aided detection (CAD) model. Backward stepwise regression method was performed to identify the statistically significant patient-specific factors. A baseline force model was then developed using these significant factors. The threshold force model that estimated the lower bound of the cancerous tissue forces was formulated by adding an adjustable classifier to the baseline force model. Trade-off between sensitivity and specificity was obtained by varying the …
Us And Mr Imaging Features Of Benign Cystic Mesothelioma Of The Liver: A Diagnostic Dilemma, Sachit K. Verma, Donald G. Mitchell, Oksana H. Baltarowich, Diane Bergin, Raphael Rubin
Us And Mr Imaging Features Of Benign Cystic Mesothelioma Of The Liver: A Diagnostic Dilemma, Sachit K. Verma, Donald G. Mitchell, Oksana H. Baltarowich, Diane Bergin, Raphael Rubin
Department of Radiology Faculty Papers
Cystic mesotheliomas are benign neoplasms, often seen in the parietal and visceral peritoneum, omentum and pelvic organs, and are exceedingly rare in the liver. It is however important to be familiar with the radiological findings of this tumour because the signal-intensity and enhancement pattern of this tumor are unusual and not typical for any of the more frequently seen mass lesions. In our patient, characteristic imaging findings on dynamic contrast-enhanced MRI and histopathological confirmation with appropriate immunohistochemical markers facilitated a correct diagnosis. We herein describe the clinical, imaging and histopathological features, pathogenesis, differential diagnosis and treatment of benign cystic mesothelioma …
Dosimetric Evaluation Of Heterogeneity Corrections For Rtog 0236: Stereotactic Body Radiotherapy Of Inoperable Stage I-Ii Non-Small-Cell Lung Cancer., Ying Xiao, Lech Papiez, Rebecca Paulus, Robert Timmerman, William L. Straube, Walter R. Bosch, Jeff Michalski, James M. Galvin
Dosimetric Evaluation Of Heterogeneity Corrections For Rtog 0236: Stereotactic Body Radiotherapy Of Inoperable Stage I-Ii Non-Small-Cell Lung Cancer., Ying Xiao, Lech Papiez, Rebecca Paulus, Robert Timmerman, William L. Straube, Walter R. Bosch, Jeff Michalski, James M. Galvin
Department of Radiation Oncology Faculty Papers
PURPOSE: Using a retrospective analysis of treatment plans submitted from multiple institutions accruing patients to the Radiation Therapy Oncology Group (RTOG) 0236 non-small-cell stereotactic body radiotherapy protocol, the present study determined the dose prescription and critical structure constraints for future stereotactic body radiotherapy lung protocols that mandate density-corrected dose calculations.
METHOD AND MATERIALS: A subset of 20 patients from four institutions participating in the RTOG 0236 protocol and using superposition/convolution algorithms were compared. The RTOG 0236 protocol required a prescription dose of 60 Gy delivered in three fractions to cover 95% of the planning target volume. Additional requirements were specified …
Recent Trends In Soft-Tissue Infection Imaging., Nicholas Petruzzi, Md, Nylla Shanthly, Mbbs, Drm, Mathew L. Thakur, Phd
Recent Trends In Soft-Tissue Infection Imaging., Nicholas Petruzzi, Md, Nylla Shanthly, Mbbs, Drm, Mathew L. Thakur, Phd
Department of Radiation Oncology Faculty Papers
This article discusses the current techniques and future directions of infection imaging with particular attention to respiratory, central nervous system, abdominal, and postoperative infections. The agents currently in use localize to areas of infection and inflammation. An infection-specific imaging agent would greatly improve the utility of scintigraphy in imaging occult infections. The superior spatial resolution of (18)F-fluorodeoxyglucose positron emission tomography ((18)F-FDG-PET) and its lack of reliance on a functional immune system, gives this agent certain advantages over the other radiopharmaceuticals. In respiratory tract infection imaging, an important advancement would be the ability to quantitatively delineate lung inflammation, allowing one to …