Research work in Northwell Health Department of Radiation Medicine physics spans a wide range of subjects, with concentrations in a number of areas of specialization. Activities include publication of manuscripts, presentations at national and international conferences, and a monthly in-house journal club that discusses publications of interest to medical physics.

Current areas of research interest include the use of six sigma metholodogy in radiation therapy, dosimetry and the use of novel detector technology, innovate treatment planning techniques, and image guided radiation therapy. Journal club presentations have covered topics such as normal tissue tolerances, OSLDs, prostate seed implants, and IMRT QA.

Physics Equipment Inventory at Northwell Health:

 

QA Devices
     Landauer Microstar Reader: OSL radiation dosimeter reader
    PTW-Octavius  T40051: chamber & phantom system for rotational IMRT QA
 
  PTW-Quickcheck T42031: wireless daily linac QA device, constancy check of all essential beam parameters  
 
  PTW-Starcheck Maxi T10033: chamber matrix system to measure high resolution star profiles for fields up to 40 cm x 40 cm  
 
    PTW LA48  T34009:  linear chamber array designed for dynamic field dosimetry measurements of virtual wedges and multileaf collimators 
 
  PTW-David T16029: IMRT pre-treatment QA in vivo dose verification 
 
    PTW 2D array T10024: Ion chamber array with 729 ion chambers for IMRT plan verification and LINAC QA

 

 

 

 

Chambers and Electrometers
  PRM Electrometer SH-1
  Keithley Electrometer 602 
 
  Keithley Delta Precision Electrometer Attachment 255 
 
  CNMC Electrometer K602 
 
  Exradin Thimble Chamber A-1
  Exradin Spokes 0.6cc Chamber P-2 
 
  Exradin "Shokai" Chamber A3 
 
  Exradin Micro Chamber 
 
  PTW PP Chamber M23343.392 
 
  PTW Diode TN60008 
 
  PTW Micro Chamber TN31006 
 
  PTW Chamber N31005 
 
  PTW Water Proof Farmer Type Chamber TN30013 
 
  PTW Water Proof Scanning Chamber TN31010 
 
  PTW Holder for Stop Thimbles 
 
  Nuclear Associates Scanning Chamber M233641 
 
  Nuclear Associates 30-404 Memorial PP MPPK 
 
  Nuclear Associates Small Vol PP MPPK 
 
  Standard Imaging Electrometer MAX 4000 
 
  Memorial PP Chamber PC-59
  Memorial PP Chamber WPC-55 
 
  Memorial PP Chamber WPC-72 
 
  Water Proofing Cover SH-06C 
 
  Wellhofer Diode DEB 010 
 
     Keithley  Electrometer 35040: therapy dosimeter is used in calibration dosimetry, quality assurance, and diagnostic testing of linear accelerators
 

 

 

Phantoms
  Standard Imaging Phantom QCKV-1 71450 
 
  Standard Imaging Phantom QC3 71350 
 
  Blue IMRT Phantom 
 
  RMI Electron Density Phantom 465
 
   Polystyrene: 3cm Plate W/ Farmer chamber plug 
 
   Polystyrene: 2.5cm Plate W/ Farmer chamber plug 
 
   Polystyrene: 3cm Plate W/ Farmer chamber plug 
 
   Polystyrene: 2.3cm Plate W/ PP chamber plug 
 
   Polystyrene: 1.02cm Plate W/ PP chamber plug 
 
   Polystyrene: Two 5cm Plates 
 
   Polystyrene: Two 2cm Plates 
 
   Polystyrene: Three 1mm Plates 
 
   Polystyrene: 1cm Plate 
 
   Polystyrene: 0.5cm Plate 
 
   Sun Nuclear Poly for Profiler: 1.7cm 
 
   Sun Nuclear Poly for Profiler: 0.9cm 
 
   Acrylic: Three 5cm Plate 
 
   Acrylic: 5cm Rectangular Plate 
 
   Solid Water: PP Chamber Plate 
 
   Solid Water: 2cm Plate 
 
   Solid Water: 2.5cm Plate 
 
   Solid Water: Two 5cm Plates 
 
   Solid Water: Calibration Check Phantom 458 
 
   Solid Plastic: 2.5cm Plate 
 
   Solid Plastic: Three 5cm Plates 
 
   Solid Plastic: Two 8cm Plates 
 
   Nuclear Associates: Multi Chamber Plate
   Anatomic Phantom - Female Torso with plugs
 
   
   

 

 

Water Tanks and Accessories
  PTW Scanning Tank -Med T41002
  PTW Electrometer for Array T16026
  PTW TG51 Tank T41031 
 
    PTW Control Unit for MP3  41013: electronic device for an automatic control of the detector position in PTW water phantoms via RS232 interface
     PTW Tandem Electrometer  T10013: Dual channel electrometer  
 
  2 PTW Cables with Tank 726005 
 
  PTW Control Unit for MP3 41013 
 
  PTW Electrometer T10015 
 
  Densitometer - Xrite 301 
 
  6 BNC Cables 
 
  PTW-MP1 Scanning Water Tank T41024
 

 

Databases
     Technical Problem Reports: Reporting, tracking and analyzing technical problems with equipment such as linacs, CT scanners, etc.
      QA Incident Monitoring: QA incident reporting and analysis database, used for Root Cause Analysis and tracking of QA issues.
     Physics Workflow Whiteboard: Tracks all patient plans as they proceed though steps in the planning and verification process. Used to monitor plan progress and staff workload distribution.
     Physics Equipment Tracking: Tracks and inventories physics laboratory equipment by physical location (among multiple hospital sites), equipment type, calibration due dates and working condition.
      New Policies and Procedures: Database for proposing, reviewing, editing, and finalizing new department policies and procedure documents.
      Nanodot Tracking: Tracks and analyzes nanodot microdosimeter readings for all patient treatments in department.
     Electron Cutouts Database: Catalogues electron cutout shapes, measured output factor values  and related parameters for clinically used cutouts.

 

 

Miscellaneous
  Wellhoffer Measuring Scintillator 
 
  4 Sun Nuclear Power/Data Interface 
 
  9 Polystyrene Buildup Caps 
 
  Brass Buildup Caps 
 
  Radionics Winston Lutz 
 
  Red Liquid Filled Thermometers 
 
  Digital Level 
 
     Protractor 
 
  1mm lead for TG51 
 
  4 Personal Dosimeters
 

Publications

RECENT ABSTRACTS (2012-2013)

Cox BW, Sharma A, Potters L, and Kapur A. Prospective Contouring Rounds: A Novel, High-Impact Tool for Optimizing Quality Assurance. Int J Radiat Oncol Biol Phys 2013: 87(2S), S118.

Ghaly M, Kapur A, Kushnirsky M, Raince J, Jain P, Puckett J, Hyder J, Montchal E, Marrero M, Knisely. The Role of Spine Radiosurgery in the Management Paradigm of Spine Metastases.  Int J Radiat Oncol Biol Phys 2013:87(2S) S267.

Ghaly M, Modh A, Montchal E, Marrero M, Vinciguerra V, Kaushik N, Sullivan J, Knisely J. Duodenal Sparing Stereotactic Body Radiation Therapy for Locally Advanced Pancreatic Cancer; Technique, Toxicity and Local Response. Int J Radiat Oncol Biol Phys 2013:87(2S), S310.

Ghaly M, Montchal E, Cao Y, Marrero M, Vinciguerra V, Kaushik N, Sullivan J, Knisely J: “Duodenal Sparing Stereotactic Body Radiation Therapy for the Treatment of Locally Advanced Pancreatic Cancer”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Ghaly M, Vijeh L, Montchal E, Marrero M, Potters L: “Phase I Dose-Escalation Study of Stereotactic Body Radiotherapy (SBRT) for Organ Confined Prostate Cancer”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Ghaly M, Katz JS, Kushnirsky M, Diaz F, Schulder M, Knisely J: “A Comprehensive Review of MR Imaging Changes Following Adjuvant Focal Radiation Therapy After Surgical Resection of Intracranial Metastases”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Ghaly M, Kushnirsky M, Marrero M, Latefi A, Schulder M, Knisely J: “Salvage Single-Fraction Stereotactic Body Radiotherapy for Patients with Prior Radiation of Spinal Metastases”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Jain P, Bulanowski D, Chou H, Cox B, Lee L, Dayan J, Hyder J, Puckett L, Potters L. Active Surveillance for Prostate Cancer: A Single Institution Experience. Int J Radiat Oncol Biol Phys 2013:87(2S) S394.
Kapur A, Evans C, Bloom B, Ames JW, Morgenstern C, Raince J, Potters L. Inter-rater Variability in the Assessment of Skin Reactions in Breast Cancer Radiation Therapy– Impact of Grading Scales.  Int J Radiat Oncol Biol Phys 2013:87(2S), S494.

Kapur A,  Cao Y, Narula A, Siebenthal M, Marrero M, Barbee D, Jamshidi A, Knisely JK, Potters LP: “Setup Accuracy of Integrated 6 Degree-of-Freedom Robotic Couches in Stereotactic Radiosurgery Radiotherapy Systems”, International Conference on Medical Physics 20th Annual Meeting, September 1-4, 2013, Brighton Center, UK.

Katz JS, Kushnirsky M, Knisely J, Schulder M, Ghaly M: “Fractionated Stereotactic Radiosurgery for Intracranial Metastases: Tumor Control”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Katz JS, Kushnirsky M, Knisely J, Ghaly M, Schulder M: “Adjuvant Tumor Bed Radiosurgery Following Surgical Resection of Intracranial Metastases”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Katz JS, Kushnirsky M, Nguyen V, Schulder M, Knisely J: “Time Delayed Contrast Enhanced MRI Improves Detection of Brain Metastases”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Knisely JK, Kushnirsky M, Ghaly M, Schulder M, Montchal EP, Katz JS, Rosen L,  Steinklein J, Warshall CE, Nguyen VT. Brain Metastasis Detection Improved by Time Delayed Contrast Enhanced MRI Int J Radiat Oncol Biol Phys 2013:87(2S), S50.

Kondziolka D, Parry P, Lunsford LD, Flickinger J, Arai Y, Loeffler J, Rush S, Knisely J, Sheehan J, Sperduto P, Friedman W: “How Accurately Can We Predict the Survival of Patients with Brain Metastases?”,  11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Kuruvilla A, Rea A, Riegel A, Kapur A, Jamshidi A, Potters L. The Effect of Treatment Plan Complexity on Optically-Stimulated Luminescent Dosimetry. Med. Phys. 2013:40, 253.

Rea A,  Kuruvilla A, Riegel A, Kapur A, Chou H, Jamshidi A, Potters L. The Effect of Image-Guided Isocenter Shifts on Optically-Stimulated Luminescent in Vivo Dosimetry. Med. Phys. 2013:40, 254.

Riegel A, Antone JG, Zhang H, Bergamo A, Kapur A, Potters L. Deformable Image Registration in the Head-and-Neck Region: Comparison with Inter-observer Variation.  Int J Radiat Oncol Biol Phys 2013, 87(2S), S3292.

Taylor BF, Yu JB, Knisely J, Chiang VL: “Can the Karolinska Adverse Radiation Effect (KARE) Factor Predict Radiosurgical Treatment-Related Imaging Changes (TRICS)?”, 11th International Stereotactic Radiosurgery Society Congress, June 16-18, 2013, Toronto, Canada.

Titz B, Grudzinksi JJ, Barbee DL, Weichert JP: “Dosimetric Impact of Partial Volume Correction on PET-Based Targeted Radionuclide Therapy Planning”, American Association of Physicists in Medicine 55th Annual Meeting, August 4-8, 2013, Indianapolis, IN.

Cox BW, Fidaleo A, Lovelock M, Happersett L, Kollmeier M, and Zelefsky M.  Aggressive Intrafraction Motion Management is Required for SBRT for Localized Prostate Cancer.  Int J Radiat Oncol Biol Phys 2012;84(3)S396.

Cox BW, Tom A, Yamada Y, Hunt M, Lovelock M, Bilsky M, and Jackson J.  Spinal Cord Toxicity with High-dose, Single-fraction Spinal Stereotactic Radiosurgery.  Int J Radiat Oncol Biol Phys 2012;84(3)S118.

Deng J, Chen Z, Knisely J, Nath R. Kilo-Voltage Imaging Doses to Organs-at-Risk in CBCT-guided Breast Radiation Therapy. Int J Radiat Oncol Biol Phys 2012;84(3)S233-4.

Folkert MR, Voros L, Zaider M, Cox BW Bilsky MH, Yamada Y. Dosimetric Impact of Intraoperative 32P Plaque on Postoperative Stereotactic Radiation Therapy for Treatment of Recurrent and Metastatic Tumors of the Spine. Int J Radiat Oncol Biol Phys 2012;84(3)S814-5.

Folkert MR, Zelefsky MJ, Fidaleo A, Feldman DR, Bosl GJ, Sheinfeld J, Cox BW, Yamada Y, Alektiar KM, Kollmeier MA. Second Cancer Risk Following Radiation Therapy for Seminoma: A Single Institution Retrospective Study. Int J Radiat Oncol Biol Phys 2012;84(3)S420-1.

Gaballa H, Wang L, Riegel AC, Vigneri P, Bloom B, Ghaly M, Marienberg E, Ames J, Kapur A, Potters L. Cancer of the Cervix: Dosimetric Comparisons of Dose Prescription to Applicator Point A Versus Dose Prescription to CTV. Int J Radiat Oncol Biol Phys 2012;84(3)S426.

Ghaly M, Marrero M, Vijeh L, Montchal E, Lee L, Potters L. Phase I Dose-escalation Study of (SBRT) for Localizes Prostate Cancer. Int J Radiat Oncol Biol Phys 2012;84(3)S391.

Ghaly M, Montchal E, Cao Y, Marrero M, Vijeh L, Vinciguerra V, Sullivan J, Kaushik N, Knisely J. Duodenal Sparing Stereotactic Body Radiation Therapy for the Treatment of Locally Advanced Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2012;84(3)S321.

Hunt MA, Regmi R, Zhang P, Mageras G, Zelefsky M, Morf D, Cox B. MV-kV Intrafractional Imaging During Volume Modulated Arc Therapy (VMAT): Initial Clinical Results. Int J Radiat Oncol Biol Phys 2012;84(3)S217.

Kapur A, Chou H, Goode GM, Sharma A, Cao Y, Adair N, Mogavero J, Jamshidi A, Potters L. An Audit of Treatment Overrides in a Paperless Radiation Medicine Department. Int J Radiat Oncol Biol Phys 2012;84(3)S663.

Kapur A, Riebling N, Galli B, Cohen J, Hochhauser A, Antone J,  Moore D,  Adair N,  Potters L, Schwartz DL. Streamlining the Head and Neck Treatment Process in Radiation Medicine Using a Kaizen Approach. Int J Radiat Oncol Biol Phys 2012;84(3)S151.

Katz JS, Knisely JP, Schulder M. Adjuvant Stereotactic Radiosurgery After Resection of Large Cerebral Metastases. Neuro Oncol 2012;14 (suppl 6)vi.138-9 (RT-26).

Katz JS, Knisely JP, Schulder M. Fractionated Stereotactic Radiosurgery for Intracranial Metastases: Tumor Control. Neuro Oncol 2012;14 (suppl 6)vi.138 (RT-23).

Lee L, Louis P, Chou H, Kapur A, Stanzione R. Operational Process for Treatment Pathways in Radiation Medicine. Int J Radiat Oncol Biol Phys 2012;84(3)S100.

Lovelock D, Tam M, Jackson A, Bilsky MH, Lis E, Cox BW, Yamada Y. Correlation of Local Failure With Measures of Dose Insufficiency in the High-dose Single-fraction Treatment of Bony Metastases. Int J Radiat Oncol Biol Phys 2012;84(3)S196.

Nath SK, Sheridan AD, Rauch PJ, Contessa JN, Yu JB, Knisely JP, Minja FJ, Chiang VL, Vortmeyer AO. Proposal of a Histopathologic Scale for Regrowing Brain Metastases Following Radiosurgery. Neuro Oncol 2012;14 (suppl 6)vi.136 (RT-15).

Nath SK, Sheridan AD, Rauch PJ, Contessa JN, Yu JB, Knisely JP, Minja FJ, Chiang VL, Vortmeyer AO. TRIC or Tumor: Regrowing Lesions Following Radiosurgery for Brain Metastases — Proposal for a Histopathologic Scale Based on Correlation With Survival. Int J Radiat Oncol Biol Phys 2012;84(3)S297.

Potters L, Lee L, Chou H, Kapur A, Stanzione R. How Treatment Pathways Can Be Used to Measure the Value of Cancer Care in the Era of the Accountable Care Act. Int J Radiat Oncol Biol Phys 2012;84(3)S100.

Riegel AC, Antone J, Chou H, Schwartz, DL. Ultrasound-compatible Thermoplastic Masks for Patient Immobilization During Intensity Modulated Radiation Therapy of Head-and-Neck Cancer. Int J Radiat Oncol Biol Phys 2012;84(3)S216.

Sperduto P, Shanley R, Luo X, Kased N, Sneed P, Roberge D, Chao S, Weil R, Suh J, Bhatt A, Jensen A, Brown PD, Shih H, Kirkpatrick J, Gaspar LE, Fiveash J, Chiang V, Knisely J, Sperduto CM, Lin N, Mehta M. Evidence of Interaction between HER2 and Estrogen/Progesterone (ER/PR) Receptor Status in Patients with Breast Cancer and Brain Metastases. Neuro Oncol 2012;14 (suppl 6)vi.66-7 (NO-11).

Spratt D, Pei X, Yamada J, Kollmeier MA, Cox B, Zhang Z, Zelefsky MJ. Long-term Survival and Toxicity of Patients Treated With Ultra-high-dose IMRT for Localized Prostate Cancer. Int J Radiat Oncol Biol Phys 2012;84(3)S14.

Spratt D, Zhang C, Zumsteg ZS, Pei X Zhang Z, Yamada J, Kollmeier M, Cox B, Zelefsky MJ. Metformin Improves Prostate Cancer-specific Survival and Inhibits the Development of Castrate Resistant Metastasis. Int J Radiat Oncol Biol Phys 2012;84(3)S93.

Vichare AM, Eads N, Punglia R, Potters L. Performance Assessment for the Advancement of Radiation Oncology Treatment (PAAROT): A Practical Approach for Informing Practice Improvement. Int J Radiat Oncol Biol Phys 2012;84(3)S533-4.

Wang L, Morgenstern C, Kapur A, Riegel A, Jamshidi A, Lee L, Potters L. The Impact of Cystoscopy on the Quality of Life in Men Undergoing Permanent Prostate Brachytherapy. Int J Radiat Oncol Biol Phys 2012;84(3)S652.

Yamada Y, Karimi S, Kyung P, Lis E, Lyo J, Bilsky M, Cox B, Holodny. Dynamic Contrast Enhanced Magnetic Resonance Imaging-based Assessment of Tumor Response to High-dose Spine Stereotactic Radiosurgery. Int J Radiat Oncol Biol Phys 2012;84(3)S39.

Zelefsky MJ, Shasha D, Kollmeier M, Baser RE, Cox B, Stock R, Ennis RD, Bar-Chama N, Pei X, Mulhall J. Results of a Prospective Randomized Double-blind, Placebo-controlled Trial Evaluating the Use of Prophylactic Sildenafil Citrate During Radiation Therapy in the Treatment of Prostate Cancer. Int J Radiat Oncol Biol Phys 2012;84(3)S2.

RECENT DEPARTMENT PUBLICATIONS (2012-2013)

Brierley R, Collingridge D. Conflicts of interest in editorials in high-impact journals. J Clin Oncol 2013; 31: 4375–6.

Collingridge D. 54th ASH Annual Meeting. Lancet Oncol 2013; 14: 112.

Collingridge D. Cancer control in Latin America and the Caribbean: a bold ambition? Lancet Oncol 2013; 14: 383.

Collingridge D. Diabetes and endocrinology: extending The Lancet family. Lancet Diabetes Endocrinol 2013; preview booklet: 1.

Collingridge D. MOGA 2013 Annual Scientific Meeting. Lancet Oncol 2013; 14: 928.

Collingridge D. UK Government panders to tobacco industry and lacks social conscience. Lancet Oncol 2013; 14: 563.

Collingridge D. US Shutdown: not all services are “non-essential”. Lancet Oncol 2013; 14: 1141.

Efstathiou JA, Nassif DS, McNutt TR,  Bogardus CB, Bosch W, Carlin J, Chen RC, Chou H, Eggert D, Fraass BA, Goldwein J, Hoffman KE, Hotz K, Hunt M, Kessler M, Lawton CAF, Mayo C, Michalski JM, Mutic S, Potters L, Rose CM, Bekelman JE. Practice-Based Evidence to Evidence-Based Practice: Building the National Radiation Oncology Registry. J Oncol Pract. 2013;(9), 3 e90-e95

Fallini C, Rouanet JP, Donlin-Asp PG, Guo P, Zhang H, Singer RH, Rossoll W, Bassell GJ. Dynamics of survival of motor neuron (SMN) protein interaction with the mRNA-binding protein IMP1 facilitates its trafficking into motor neuron axons. Dev Neurobiol. 2013 Jul 29. doi: 10.1002/dneu.22111. [Epub ahead of print].

Grant RA, Whicker M, Lleva R, Knisely JP, Inzucchi SE, Chiang VL. Efficacy and safety of higher dose stereotactic radiosurgery for functional pituitary adenomas: a preliminary report. World Neurosurg. 2013 Feb 4. doi:pii: S1878-8750(13)00264-7. 10.1016/j.wneu.2013.01.127. [Epub ahead of print]

Jairam V, Chiang VL, Yu JB, Knisely JP. Role of stereotactic radiosurgery in patients with more than four brain metastases. CNS Oncol. 2013;2(2).

Kapur A, Zuvic P, Goode G, Riehl C, Joseph S, Adair N, Interrante M, Bloom B, Lee L, Sharma R, Sharma A, Antone J, Riegel AC, Vijeh L, Zhang H, Cao Y, Morgenstern C, Montchal E, Cox B and Potters L.  Incident learning and failure-mode-and-effects-analysis guided safety initiatives in radiation medicine.  Front Oncol. 2013; 3:305. doi: 10.3389/fonc.2013.00305

Katsoulakis E, Riaz N, Cox B, Mechalakos J, Zatcky J, Bilsky M, and Yamada Y.  Delivering a Third Course of Radiation to Spine Metastases with Image-Guided, Intensity-Modulated Radiotherapy.  J Neurosurg Spine. 2013 Jan;18(1):63-8. doi: 10.3171/2012.9.SPINE12433. Epub 2012 Oct 26.

Knisely JP, Potters L. Is a half-truth a whole lie? J Oncol Pract. 2013;9(1):63-4.

Kondziolka D, Parry PV, Lunsford LD, Hideyuki Kano H, Flickinger JC, Rakfal S, Arai Y,  Loeffler JS, Stephen Rush,  Knisely J, Sheehan J, Friedman W, Tarhini A, Francis L, Lieberman F,  Ahluwalia MS, Linskey ME, McDermott M, Sperduto P, Stupp R. The accuracy of predicting survival in individual patients with cancer. J. Neurosurg 2013 Oct 25. [Epub ahead of print].

Kollmeier MA, Fidaleo A, Pei X, Cohen G, Zaider M, Mo Q, Cox B, Yamada Y, Zelefsky MJ. Favourable long term outcomes with brachytherapy-based regimens in men < 60 years with localized prostate cancer.  BJU Int: 2013: Jun;111(8):1231-6. 

Korkina O, Dong Z, Marullo A, Warshaw G, Symons M, Ruggieri R. (2013) The MLK Related Kinase (MRK) is a novel RhoC effector that mediates Lysophosphatidic Acid (LPA)-stimulated tumor cell invasion. J Biol Chem. 2013;288(8):5364-73.

Laufer I, Iorgulescu JB, Chapman T, Lis E, Shi W, Zhang Z, Cox BW, Yamada Y, Bilsky MH. Local disease control for spinal metastases following “separation surgery” and adjuvant hypofractionated radiation or high-dose single-fraction stereotactic radiosurgery: outcome analysis in 186 patients. J Neurosurg Spine. 2013 Mar;18(3):207-14.

Laufer I, Rubin DG, Lis E, Cox BW, Stubblefield M, Yamada Y, and Bilsky MH.  The NOMS framework: Evidence-based approach to the treatment of spinal metastatic tumors.  Oncologist. 2013 Jun;18(6):744-51.

Phillips M, Byrnes R, Cataneo RN, Chaturvedi A, Kaplan PD, Libardoni M, Mehta V, Mundada M, Patel U, Ramakrishna N, Schiff PB, Zhang X. Detection of volatile biomarkers of therapeutic radiation in breath. J Breath Res. 2013 Sep;7(3):036002. doi: 10.1088/1752-7155/7/3/036002. Epub 2013 Jun 24.

Pan T, Riegel AC, Ahmad MU, Sun X, Chang JY, Luo D.  New weighted maximum-intensity-projection images from cine CT for delineation of the lung tumor plus motion.  Med Phys.  2013;40(6):061901.

Potters L, Raince J, Chou H, Kapur A, Bulanowski D, Stanzione R and Lee L. Development, implementation, and compliance of treatment pathways in radiation medicine. Front Oncol. 2013;3:105.

Potters L. In reply to Baer. Int J Radiat Oncol Biol Phys. 2013;85:897.

Potters L. The Paradox of Multidisciplinary Care. Int J Rad Onc Bio Phys.  2013;84 (2012), pp. 20-22

Potters L, Kapur A. The Safety Hazard. Practical Radiation Oncology.  2013 Dec; doi:10.1016/j.prro.2013.11.002.

Riegel AC, Antone J, Schwartz DL.  Comparative dosimetry of volumetric modulated arc therapy (VMAT) and limited-angle static intensity-modulated radiation therapy (IMRT) for early-stage larynx cancer.  Med Dosim. 2013;38:66-69.

Seung SK, Larson DA, Galvin JM, Mehta MP, Potters L, Schultz CJ, Yajnik SV, Hartford AC, Rosenthal SA. American College of Radiology (ACR) and American Society for Radiation Oncology (ASTRO) Practice Guideline for the Performance of Stereotactic Radiosurgery (SRS). Am J Clin Oncol. 2013 Jun;36(3):310-5.

Sperduto PW, Kased N, Roberge D, Chao ST, Shanley R, Luo X, Sneed PK, Suh J, Weil RJ, Jensen AW, Brown PD, Shih HA, Kirkpatrick J, Gaspar LE, Fiveash JB, Chiang V, Knisely JP, Sperduto CM, Lin N, Mehta M. The effect of tumor subtype on the time from primary diagnosis to development of brain metastases and survival in patients with breast cancer. J Neurooncol. 2013 May;112(3):467-72.

Spratt DE, Pei X, Yamada J, Kollmeier MA, Cox B, Zelefsky MJ.  Long-term Survival and Toxicity in Patients Treated with High-Dose Intensity Modulated Radiation Therapy for Localized Prostate Cancer.  Int J Radiat Oncol Biol Phys. 2013 Mar 1;85(3):686-92. doi: 10.1016/j.ijrobp.2012.05.023. Epub 2012 Jul 12.

Vin H, Ojeda SS, Ching G, Leung ML, Chitsazzadeh V, Dwyer DW, Adelmann CH, Restrepo M, Richards KN, Stewart LR, Du L, Ferguson SB, Chakravarti D, Ehrenreiter K, Baccarini M, Ruggieri R, Curry JL, Kim KB, Ciurea AM, Duvic M, Prieto VG, Ullrich SE, Dalby KN, Flores ER, Tsai KY. BRAF inhibitors suppress apoptosis through off-target inhibition of JNK signaling. eLife 2013;10.7554/eLife.00969.

Yamada Y, Laufer I, Cox BW, Lovelock DM, Maki RG, Zatcky JM Boland PJ and Bilsky MH.  Preliminary results of high dose single fraction radiotherapy for the management of chordomas of the spine and sacrum.  Neurosurgery. 2013 Oct;73(4):673-80; discussion 680.

Cox BW, Jackson A, Hunt M, Bilsky M, Yamada Y.  Esophageal toxicity from high dose, single fraction paraspinal stereotactic radiosurgery.  Int J Radiat Onc Biol Phys. 2012 Aug 1;83(5):e661-7. [Epub 2012 May 7].

Cox BW, Spratt D, Lovelock M, Bilsky M, Lis E, Ryu S, Sheehan J, Gerszten P, Chang E, Gibbs I, Soltys S, Sahgal A, Deasy J, Flickinger J, Quader M, Mindea S, Yamada Y.  International Spine Radiosurgery Consortium consensus guidelines for target volume definition in spinal stereotactic radiosurgery. Int J Radiat Oncol Biol Phys. 2012 Aug 1;83(5):e597-605. [Epub 2012 May 19].

Davis BJ, Horwitz EM, Lee WR, Crook JM, Stock RG, Merrick GS, Butler WM, Grimm PD, Stone NN, Potters L, Zietman AL, Zelefsky MJ. American Brachytherapy Society consensus guidelines for transrectal ultrasound-guided permanent prostate brachytherapy. Brachytherapy. 2012;11(1):6-19.

Folkert MR, Bilsky MH, Cohen GN, Zaider M, Dauer LT, Cox BW, Boland PJ, Laufer I, Yamada Y. Intraoperative P-32 high dose rate brachytherapy of the dura for recurrent primary and metastatic intracranial and spine tumors. Neurosurgery. 2012;71:1003-11.

Goenka A, Magsanoc JM, Pei X, Schechter M, Kollmeier M, Cox B, Scardino PT, Eastham JA, and Zelefsky MJ.  Long-term outcomes after high dose post-prostatectomy salvage radiation treatment.  Int J Radiat Onc Biol Phys. 2012;84(1):112-8.

Kapur A, Potters L. Six-sigma tools for a patient safety oriented, quality-checklist driven radiation medicine department. Practical Radiation Oncology 2012;2(2):86-96.

Knisely J, Potters L. Is a half-truth a whole lie? Journal of Oncology Practice.http://jop.ascopubs.org/content/early/2012/11/20/JOP.2012.000790.full.pdf; [Epub ahead of print, November 20, 2012]. 

Knisely JPS, Yu JB, Flanigan J, Sznol M, Kluger HM, Chiang VLS. Radiosurgery for melanoma brain metastases in the ipilimumab era and the possibility of longer survival. J Neurosurg. 2012;117(2):227-33. Epub 2012 Jun 15

Kollmeier MA, Pei X, Algur E, Yamada Y, Cox BW, Cohen GN, Zaider M, and Zelefsky MJ.  A comparison of the impact of isotope (125I vs. 103Pd) on toxicity and biochemical outcome after interstitial brachytherapy and external beam radiation therapy for clinically localized prostate cancer.  Brachytherapy 2012;11(4):271-6.

Kotecha R, Yamada Y, Pei X, Kollmeier MA, Cox B, Cohen GN, Zaider M, Zelefsky MJ.  Clinical outcomes of high-dose-rate brachytherapy and external beam radiotherapy in the management of clinically localized prostate cancer. Brachytherapy. 2013;12(1):44-9. [Epub 2012 Jul 24].

Patel, TR, Ozturk AK, Knisely JPS, Chiang VL Implications of identifying additional cerebral metastases during Gamma Knife radiosurgery. Int J Surg Oncol. V2012 (2012), Article ID 748284, 5 pages DOI:10.1155/2012/748284.

Potters L, Bloom B. Our pledge to achieve safety. Int J Radiat Onc Biol Phys 2012;82(4):1310-1311.

Potters L, Kapur A. Implementation of a ‘No Fly” safety culture in a multi-center radiation medicine department. Practical Radiation Oncology 2012;2(1):18-26.

Potters L. The paradox of multidisciplinary care. Int J Radiat Onc Biol Phys  2012;84:20-22.

Raldow AC, Chiang VL, Knisely JP, Yu JB. Survival and intracranial control of patients with 5 or more brain metastases treated with Gamma Knife stereotactic radiosurgery. Am J Clin Oncol. 2012 Jun 14. [Epub ahead of print] PMID: 22706180

Riaz N, Afaq A, Akin O Pei X, Kollmeier M, Cox B, Hricak H, Zelefsky MJ.  Pretreatment endorectal coil MRI findings predict biochemical tumor control in prostate cancer patients treated with combination brachytherapy and external beam radiotherapy.  Int J Radiat Onc Biol Phys. 2012;84(3):707-11.

Riegel AC, Antone J, Schwartz DL.  (2012).  Comparative dosimetry of volumetric modulated arc therapy (VMAT) and limited-angle static intensity-modulated radiation therapy (IMRT) for early-stage larynx cancer. Med Dosim. 2013;38(1):66-9. [Epub 2012 Aug 15].

Solberg TDS, Balter JM, Benedict SH, Fraass BA, Kavanagh B, Miyamoto C, Pawlicki T, Potters L, Yamada Y. Quality and safety considerations in stereotactic radiosurgery and stereotactic body radiation therapy: Executive summary. Practical Radiation Oncology 2012;2(1):2-9.

Sperduto PW, Kased N, Roberge D, Xu Z, Shanley R, Luo X, Sneed PK, Chao ST, Weil RJ, Suh J, Bhatt A, Jensen AW, Brown PD, Shih HA, Kirkpatrick J, Gaspar LE, Fiveash JB, Chiang V, Knisely JP, Sperduto CM, Lin N, Mehta M. Summary report on the Graded Prognostic Assessment (GPA):  An accurate and facile diagnosis-specific tool to estimate survival for patients with brain metastases. J Clin Oncol. 2012;30:419-25.

Sperduto PW, Kased N, Roberge D, Xu Z, Shanley R, Luo X, Sneed PK, Chao ST, Weil RJ, Suh J, Bhatt A, Jensen AW, Brown PD, Shih HA, Kirkpatrick J, Laurie E. Gaspar LE, Fiveash JB, Chiang V, Knisely JPS, Sperduto CM, Lin N, Mehta M (2012) In S.A. Cannistra (ed.) Reply to M.C. Chamberlain et al (30:3315-16). Alexandria, VA: Journal of Clinical Oncology 30:3316-3317.

Sperduto PW, Sneed PK, Roberge D, Shanley R, Luo X, Luo X, Weil RJ, Suh J, Bhatt A, Jensen AW, Brown PD, Shih HA, Kirkpatrick J, Gaspar LE, Fiveash JB, Knisely JP, Lin N, Mehta M. In regard to Yamamoto et al. Int J Radiat Oncol Biol Phys 2012;84(4):875. 

Spratt DE, Pei X, Yamada J, Kollmeier MA, Cox B, Zelefsky MJ.  Long-term survival and toxicity in patients treated with high-dose intensity modulated radiation therapy for localized prostate cancer.  Int J Radiat Oncol Biol Phys. 2013 Mar 1;85(3):686-92. [Epub 2012 Jul 12].

Spratt DE, Zhang C, Zumsteg ZS, Pei X, Zhang Z, Zelefsky MJ. Metformin and Prostate Cancer: Reduced Development of Castration-resistant Disease and Prostate Cancer Mortality. Eur Urol. 2013 Apr;63(4):709-16. [Epub 2012 Dec 14].

Vichare A, Eads N, Punglia R, Potters L. American Society for Radiation Oncology's performance assessment for the advancement of radiation oncology treatment: a practical approach for informing practice improvement. Practical Radiation Oncology. 2012 Oct 24 [Epub ahead of print]. 

Zelefsky MJ, Chou JF, Pei X, Yamada Y, Kollmeier M, Cox B, Zhang Z, Schechter M, Cohen GN, Zaider M. Predicting biochemical tumor control after brachytherapy for clinically localized prostate cancer: The Memorial Sloan-Kettering Cancer Center experience. Brachytherapy 2012;11(4):245-9.

Zelefsky MJ, Housman DM, Pei X, Alicikus Z, Magsanoc JM, Dauer LT, St Germain J, Yamada Y, Kollmeier M, Cox B, and Zhang Z.  Incidence of secondary cancer development after high dose intensity-modulated radiotherapy and image-guided brachytherapy for the treatment of localized prostate cancer. Int J Radiat Onc Biol Phys. 2012;83(3):953-9.

Zelefsky MJ, Kollmeier M, Cox B, Fidaleo A, Sperling D, Pei X, Carver B, Coleman J, Lovelock M, Hunt M.  Improved clinical outcomes with high-dose image guided radiotherapy compared with non-IGRT for the treatment of clinically localized prostate cancer. Int J Radiat Onc Biol Phys. 2012;84(1):125-9.

Zelefsky MJ, Pei X, Teslova T, Kuk D, Magsanoc JM, Kollmeier M, Cox B, Zhang Z.  Secondary cancers after intensity-modulated radiotherapy, brachytherapy, and radical prostatectomy for the treatment of prostate cancer: incidence and cause-specific survival outcomes according to the initial treatment intervention. BJU Int. 2012 110(11):1696-701.

Zhang P, Hunt M, Happersett L, Cox B, Mageras G. Incorporation of treatment plan spatial and temporal dose patterns into a prostate intrafraction motion management strategy. Med Phys. 2012 Sep;39(9): 5429-36.

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