HAROLD PERERA, Ph.D.
Personal
| Home Address: |
133 Europa Blvd.
Cherry Hill, NJ 08003 |
| Telephone: |
(856) 489-1825 (Home)
(215) 612-4334 (Work)
(856) 816-2531 (Cell) |
| Email: |
harold.perera@jeffersonhospital.org |
| Marital Status: |
Married |
Education and Training
| Institution and Location |
Year(s) |
Field of Study |
Mallinckrodt Inst. Of Radiology,
Washington University school of medicine
St. Louis, MO |
1992-94 |
Medical Physics Residency Program |
| University of Nebraska, Lincoln, NE |
1985-90 |
Ph.D., 1990, Atomic & Molecular Physics |
| University of Nebraska, Lincoln, NE |
1983-85 |
M.S., 1985, Physics |
| University of Colombo, Sri Lanka |
1977-81 |
B.Sc. (Hons), 1981, Physics |
Board Certification
American Board of Medical Physics (Radiation Oncology Physics), 1996
Academic Honors and Awards
Farrington Daniels Award for the best article on radiation dosimetry published in Medical Physics journal, AAPM, 1994.
ICPEAC Travel Grant, July 1989.
National Scholarship, Ministry of Education, Sri Lanka, 1972-81.
Appointments
Assistant Professor, Chief Physicist
Radiation Oncology at Frankford Torresdale Hospital
Thomas Jefferson University
Philadelphia, PA
|
Apr. 07 - Present |
Assistant Professor, Chief of Medical Physics
Department of Radiation Oncology,
Temple University Hospital Philadelphia, PA
|
Aug. 97 – Apr. 07 |
Clinical Assistant Professor,
Department of Radiation Oncology,
Allegheny (Hahnemann) University, Philadelphia, PA.
|
July 94 - Aug. 97
|
Junior Medical Physicist (Medical Physics Fellow)
Medical Physics Residency Program
Mallinckrodt Institute of Radiology,
Washington University School of Medicine
St. Louis, Missouri.
|
March 92 - June 94
|
Research Associate, Mallinckrodt Institute of
Radiology Washington University School of Medicine,
St. Louis, Missouri
|
1990-92
|
Research Assistant, Dept. of Physics & Astronomy
Univ. of Nebraska, Lincoln, Nebraska
|
1985-90
|
Teaching Assistant, Dept. of Physics & Astronomy
Univ. of Nebraska, Lincoln, Nebraska
|
1983-85
|
Assistant Lecturer (faculty position)
Dept. of Physics, Univ. of Moratuwa, Sri Lanka.
|
1982-83
|
Assistant Lecturer (faculty position)
Dept. of Physics, Univ. of Colombo, Sri Lanka
|
1981-82
|
Professional Activities
Radiation Safety Committee member
Frankford Hospital, Philadelphia, PA
|
2007-present
|
Radiation Safety Committee member
Temple University Health System, Philadelphia, PA
|
1999-2007
|
Quality Improvement Committee member
Allegheny (Hahnemann) University, Philadelphia, PA
|
1996-97
|
Professional Organizations
Full Member-American Association of Physicist in Medicine (AAPM) (1991 - present),
Associate Member - American Society for Therapeutic Radiology & Oncology (ASTRO) (2003 – present)
Clinical Experience
Acceptance and commissioning of multiple ELEKTA, VARIAN and SIEMANS linear
accelerators, multiple Simulators, a Gamma Knife 4C unit and a CT scanner.
Beam scanning with PTW, CMS, Multidata, Scanditronics and Welhoffer water phantoms.
Treatment planning using Pinnacle, Eclipse, CMS, Gamma Plan and VeriSeed systems.
Use of IMPAC Multi Access, IMPAC MOSAIQ, LANTIS and VARIS record & verify
systems.
Setup and performed annual, monthly and daily QA procedures for various LINACs,
Gamma Knife unit, Cobalt 60 unit, various Simulators, Superficial and Ortho voltage units.
Familiarity with QA devices such as MapCheck, Profiler, Daily QA2, SENTINEL,
PROTEA, Keithley Tracker.
In-vivo dose measurements using Diodes, TLD's, MOSFET detectors and X-ray Films.
Stereotactic radiosurgery using Radionics system.
IGRT, IMRT, TBI, TSET, IORT procedures.
LDR intracavitary, interstitial and permanent prostate implants.
Operation and quality assurance of remote after loading brachytherapy machines such as
Nucletron HDR, PDR, selectron LDR and microselectron LDR.
Eye plaque procedures with I-125 seeds, Eye treatment procedures with Sr-90 Eye applicators.
Medical Physics Teaching Experience
Radiation Physics for RTT at Gwynedd Mercy College.
Radiation therapy physics course for the radiation oncology residents at HU.
Discussion sessions for RTT and Dosimetry trainees at HU and TU.
Radiation therapy physics labs for RTT trainees at Mallinckrodt Institute of Radiology.
Presentations
"Brachytherapy Dosimetry & Planning", H. Perera, 9th Annual Dosimetry/Physics
Symposium, MCP Hahnemann University, Philadelphia, PA, (2001).
"Brachytherapy Dosimetry", H. Perera, 8th Annual Dosimetry & Physics
Symposium, MCP Hahnemann University, Philadelphia, PA,(2000).
"Chemical Dosimetry in the near Zone of Cesium and Iridium Sources Contained in Nylon
Catheters", B. Hasson, J. Ford, C. Hand, E. Jensen, H. Perera and L.Simpson, AAPM 40th
Annual Meeting, San Antonio, TX, Med. Phys.25, Al 68(1998).
"Brachytherapy", H. Perera, 7th Annual Dosimetry/Physics Symposium, Allegheny
University, Philadelphia, PA, (1998).
"Brachytherapy", H. Perera, 6th Annual Dosimetry/Physics Symposium, Allegheny
University, Philadelphia, PA, (1997).
"Electron Beam Dose Coverage", H. Perera,Brady Cancer Research Institute Scientific
Symposium, Philadelphia, PA, (1996).
"The use of a chemical dosimeter to determine the dose distribution of brachytherapy
sources", B.F. Hasson, J.C. Ford, C.M. Hand, H. Perera, D.A. Kumar, D.A. Lightfoot, L.D.
Simpson and W.A. Longton, AAPM 38th annual Meeting, Philadelphia, PA, Med. Phys.
23,1055(1996).
"Use of GAF chromic film in determination of dosimetric characteristics of stereotactic
beams", D.A. Kumar, L.D. Simpson, K.A. Motakabbir, B.F. Hasson, H. Perera and M.K.
Weller, AAPM 38th annual Meeting, Philadelphia, PA, Med. Phys. 23,1070 (1996).
"Quality Assurance", H. Perera,5th Annual Dosimetry/Physics Symposium, MCP
and Hahnemann University, Philadelphia, PA, (1996).
"Accuracy of Monte Carlo photon transport simulation in characterizing brachytherapy
dosimeter energy response artifacts", R.K. Das, H. Perera, Z. Li, J.F. Williamson, AAPM
37th annual Meeting, Boston, MA, Med. Phys. 22,942 (1995).
"Brachytherapy", H. Perera,4th Annual Dosimetry/Physics Symposium, MCP and
Habnemann University, Philadelphia, PA, (1995).
"Quality Assurance", H. Perera,4th Annual Dosimetry/Physics Symposium, MCP and
Hahnemann University, Philadelphia, PA, (1995).
"Clinical implementation of patient dose verification using In-Vivo diode detectors", R.L.
Gerber, A. Cheng, H.Perera and J.A. Purdy,AAPM 36th annual Meeting, Anaheim, CA,
Med. Phys. 21, 865 (1994).
"Monte Carlo calculation of kerma-to-a-point near media interfaces", Z. Li, J.F. Williamson
and H. Perera, AAPM 35th annual Meeting, Washington D.C., Med. Phys. 20, 911
(1993).
"Dose measurements, Monte Carlo calculations and absolute calibration of a new
interstitial 169Yb source", H. Perera, J.F. Williamson and Z. Li, AAPM 34th annual
Meeting, Calgary, CANADA, Med. Phys., 19,833 (1992).
"Calculated and measured heterogeneity correction factors for 125I, 137CS and 192IR
brachytherapy sources", J.F. Williamson, H. Perera, Z. Li and W.R. Lutz, AAPM 34th
annual Meeting, Calgary, CANADA Med. Phys., 19, 776 (1992).
"Dose linearity and signal-to-noise ratio characteristics of a rapid 2D brachytherapy
dosimetry system", H. Perera, J.F. Williamson, S.P. Monthofer, W.R. Binns and J.W.
Wong, AAPM 33rd annual Meeting, San Francisco, CA, Med. Phys., 18, 597 (1991).
"Measurements of Coherence parameters for the electron impact excitation of the 3' D
state of helium from angular correlation experiments", N.W.P.H. Perera and D.J. Burns,
XVI International Conference on Physics of Electron and Atomic Collisions
(ICPEAC), New York, NY, 166 (1989).
"Comparison of the Differential Magnetic Sublevel (m1 =0) Cross Section for the 31 P State
of Helium for 60 and 80 eV Electrons", N.W.P.H. Perera and D.J. Bums, Bull. Am. Phys.
Soc. 2, 309 (1989).
"The Differential Cross Section for electron Excitation of the 31 P (m1 =0) State of Helium",
D.J. Bums, N.W.P.H. Perera, B.N. De and C.R. Hummer, XIV International Conference
on Physics of Electron and Atomic Collisions, Palo Alto, CA, 114 (1985).
"The Relative Differential Cross Section for the 31 P state of Helium for 40-80 eV
electrons", D.J. Bums, B.N. De, N.W.P.H. Perera and C.R. Hummer, Bull. Am. Phys. Soc.
5, 870 (1985).
Publications
"Accuracy of Monte Carlo photon transport simulation in characterizing brachytherapy
dosimeter energy-response artifacts", R.K. Das, Z. Li, H. Perera and J.F. Williamson.,
Phys. Med. Biol. 41:995-1006; 1996.
"A secondary Air-Kerma Strength Standard for Yb-169 Interstitial Brachytherapy Sources",
R.K. Das, V. Mishra, H. Perera, A.S. Meigooni and J.F. Williamson., Phys. Med. Biol.
40:741-756; 1995..
"Dosimetric Characteristics, Air-kerma Strength Calibration and verification of Monte
Carlo simulation for a New 169Yb Brachytherapy source", H. Perera, J.F. Williamson, Z. Li,
V. Mishra and A.S. Meigooni. Int. J. Rad.Onc, Bio. Phys. 28:953-970; 1994.
"Monte Carlo calculation of kerrna to a point in the vicinity of media interface, Z. Li, J.F.
Williamson and H. Perera, Phys. Med. Biol. 38:1825-1840; 1993.
"Comparison of Calculated and Measured Heterogeneity Correction Factors for 125I, 137CS
and 192lr Brachytherapy Sources Near Localized Heterogeneities", J.F Williamson, H.
Perera, Z. Li and W.R. Lutz, Med. Phys. 20:209-222; 1993.
"Rapid Two-dimensional Dose Measurement in Brachytherapy Using Plastic Scintillator
Sheet: Linearity, Signal-to-Noise Ratio, and Energy Response Characteristics", H. Perera,
J.F. Williamson, S.P. Monthofer, W.R. Binns, J. Klarmann, G.L. Fuller and J.W. Wong,
Int. J. Rad, Onc, Bio. Phys. 23:1059- 69; 1992.
"Measurement of Coherence Parameters for the Electron Impact Excitation of the 3'D State
of Helium from an Angular Correlation experiment", N.W.P.H. Perera and D.J. Bums, J.
Phys, B: At. Mol. Opt, Phys, 23:3007; 1990.
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