Scholars@Duke
Madan Mohan Rehani

Madan Mohan Rehani

Adjunct Professor in the Department of Radiology
Radiology
madan.rehani@duke.edu
6 Whittier Place, Martha Rd, Apt 3M, Boston, MA 02114

Scholarly Works - Conferences

Organ-based and DLP-based effective dose as representations of radiation risk in a population of 8946 patients with cumulative effective dose greater than 100 mSv

Conference · December 1, 2021 Purpose. Recent studies have shown that it is not uncommon for a patient to undergo multiple CT exams resulting in high cumulative dose above 100 mSv, the radiation risk associated with which is not negligible. The purpose of this study was to compare the ... Open Access Cite

A single center analysis of cumulative effective dose arising from multiple PET/CT scans over 11 years

Conference EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING · September 2021 Link to item Cite

Diagnostic Imaging and 100 MSv+ Doses

Conference MEDICAL PHYSICS · June 2020 Link to item Cite

TU‐H‐204‐00: Work of ICRP, NCRP and Others and How They Impact On Medical Physicists

Conference Medical Physics · June 2016 Since 1928, the International Commission on Radiological Protection (ICRP) has developed, maintained, and elaborated the International System of Radiological Protection used world‐wide as the common basis for radiological protection standards, legi ... Full text Cite

TU‐H‐204‐01: Work of ICRP in relation to activities of medical physicists

Conference Medical Physics · June 2016 Since 1928, the International Commission on Radiological Protection (ICRP) has developed, maintained, and elaborated the International System of Radiological Protection used world‐wide as the common basis for radiological protection standards, legi ... Full text Cite

MO‐DE‐204‐01: Radiation Doses in Over 50 Developing Countries of Asia, Africa, Eastern European and Latin America

Conference Medical Physics · June 2016 The main topic of the session is to show how dose optimization is being implemented in various regions of the world, including Europe, Australia, North America and other regions.A multi‐national study conducted under International ... Full text Cite

TU-E-201-01: Methods for Eye Lens Dosimetry and Studies On Lens Opacities with Interventionists.

Conference Med Phys · June 2015 UNLABELLED: Madan M. Rehani, Massachusetts General Hospital and Harvard Medical School, BostonMethods for Eye Lens Dosimetry and Studies On Lens Opacities with InterventionalistsRadiation induced cataract is a major threat among staff working in interventi ... Full text Link to item Cite

MO‐E‐213‐02: Medical Physicist Involvement in Implementing Patient Protection Standards

Conference Medical Physics · June 2015 The focus of work of medical physicists in 1980's was on quality control and quality assurance. Radiation safety was important but was dominated by occupational radiation protection. A series of over exposures of patients in radiotherapy, nuclear m ... Full text Cite

WE‐E‐19A‐01: Globalization of Medical Physics

Conference Medical Physics · June 2014 Following successful 2012–2013 International Professional Symposiums as a part of Annual AAPM meetings, representatives of AAPM and International Organization of Medical Physics (IOMP) suggested to make this tradiational Symposium a permanent part ... Full text Cite

TH‐A‐144‐01: Lens of the Eye Dosimetry

Conference Medical Physics · January 1, 2013 International Commission on Radiological Protection (ICRP) issued a statement in 2011 decreasing the threshold for the lens of the eye to 0.5 Gy from earlier figure of 5 Gy for chronic and 0.5–2.0 Gy for acute exposures. Further, ICRP has reduced the dose ... Full text Cite

TU‐G‐105‐01: International Medical Physics Symposium — Part 2: Making a Difference in the World: Are You Willing to Be Part?

Conference Medical Physics · January 1, 2013 Many medical physicists have been contributing to make a difference in the world through international organizations. So much has happened and is happening in large part of the world particularly when it comes to assessment of radiation doses to patients i ... Full text Cite

WE‐G‐144‐01: The Management of Imaging Procedure Dose 4: National, International & Local Perspectives

Conference Medical Physics · January 1, 2013 Richard Morin: The American College of Radiology Dose Index Registry The American College of Radiology Dose Index Registry, part of the ACR National Radiology Data Registry, provides the infrastructure platform for institutions, hospitals, and clinics to r ... Full text Cite

WE‐C‐211‐01: International Radiation Safety Standards and Systems

Conference Medical Physics · January 1, 2012 International organizations play an important role in establishing roles, responsibilities and needs of medical physicists, be it for radiation protection or functional needs. The international Standards of safety (Basic Safety Standards‐BSS) steered by th ... Full text Cite

WE‐B‐213CD‐01: International Actions on Radiation Safety in Fluoroscopic Procedures Performed Outside Radiology Departments

Conference Medical Physics · January 1, 2012 Fluoroscopic guided procedures are increasingly being performed outside main radiology departments particularly in operation theatres. In some procedures the patient dose per procedure falls in the range of 5 to 30 mSv of effective dose and in some others ... Full text Cite

TU-B-211-02: Patient Radiation Exposure Tracking

Conference Medical Physics · June 2011 Full text Cite

International project on individual monitoring and radiation exposure levels in interventional cardiology.

Conference Radiat Prot Dosimetry · March 2011 Within the Information System on Occupational Exposure in Medicine, Industry and Research (ISEMIR), a new International Atomic Energy Agency initiative, a Working Group on interventional cardiology, aims to assess staff radiation protection (RP) levels and ... Full text Link to item Cite

TH‐C‐211‐01: International Perspectives on Radiation Protection

Conference Medical Physics · January 1, 2011 There are some actions which require international cooperation. An example of good cooperation can be found in the largely seamless international use of credit cards and ATM machines. Conversely, an example where international cooperation has not been effe ... Full text Cite

WE‐F‐110‐01: Radiation & Cataract: A New Challenge

Conference Medical Physics · January 1, 2011 We are passing through an era wherein it is certain that the currently accepted threshold for radiation cataract is no longer valid. Radiation cataract has, to date, been considered a deterministic effect with threshold. The International Commission on Rad ... Full text Cite

TU‐B‐211‐01: Patient Radiation Exposure Tracking

Conference Medical Physics · January 1, 2011 The concept of “radiation passport” or something similar has been around for over a decade but the current impetus is based on a) realization of increased radiation doses to individual patients in diagnostic and interventional procedures and b) possibility ... Full text Cite

Risk for Radiation Cataract in Interventional Cardiology Personnel

Conference INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE · April 1, 2010 Link to item Cite

TU‐D‐201B‐01: Challenges and Experience in CT Dose Assessment & Dose Reduction ‐ an International Perspective

Conference Medical Physics · January 1, 2010 Radiation doses in computed tomography (CT) is a matter of global interest. In developing countries, there is a lack of upgrading of technology in many facilities, such as tube current modulation, and a lack of skilled manpower (medical physicists) for dos ... Full text Cite

TH‐B‐202‐01: IAEA Smart Card Initiative for Patient Exposure

Conference Medical Physics · January 1, 2010 The concept of “radiation passport” or something similar has been around for over a decade but the current impetus is based on a) realization of increased radiation doses to individual patients in diagnostic and interventional procedures and b) possibility ... Full text Cite

WE‐B‐202‐01: IAEA Study of Cataract in Staff Working in Catheterization Laboratories

Conference Medical Physics · January 1, 2010 Staff working in catheterization laboratories, predominantly interventional cardiologists and nurses, are potentially exposed to relatively high levels of ionizing radiation and may be at risk of developing cataracts after several years of work if radiatio ... Full text Cite

Report of a consultation on justification of patient exposures in medical imaging.

Conference Radiat Prot Dosimetry · July 2009 Radiation protection in medicine is underpinned by the concepts of justification and optimisation. Over the last 20 y much successful work has been devoted to developing and consolidating approaches to optimisation. A substantial knowledge base and a set o ... Full text Link to item Cite

Patient dose and image quality evaluation in common radiographic examinations in Sudan

Conference Ifmbe Proceedings · January 1, 2009 Image quality and radiation dose were evaluated in 8radiography rooms in 5 several hospitals in Sudan as part of an International Atomic Energy Agency (IAEA) project RAF/9/033. Entrance Skin Air Kerma (ESAK) was measured in 452 patients in five Sudanese ho ... Full text Cite

Status of radiation protection of patients in developing countries

Conference Ifmbe Proceedings · January 1, 2009 How safe is the patient in developing countries and making patient safer has been the objective of the International Action Plan on Radiological Protection of Patients launched by the IAEA in 2002. This requires assessment and comparison of radiation doses ... Full text Cite

Patient doses in CT and radiography in Africa

Conference Ifmbe Proceedings · January 1, 2009 There is increasing use of computed tomography (CT) scanning in Africa. However, there had been lack of information on patient doses in CT scanning and radiography in large part of Africa. Through the projects of the International Atomic Energy Agency (IAE ... Full text Cite

Training of doctors using fluoroscopy

Conference Ifmbe Proceedings · January 1, 2009 Increasing number of medical specialists are using fluoroscopic guided procedures for diagnostic applications and for interventions. Many of these specialists have either no training or inadequate training in radiation protection. These include interventio ... Full text Cite

Investigation of image quality and patient doses in X-ray diagnostic radiology in Zimbabwe

Conference Ifmbe Proceedings · January 1, 2009 The main objective of this study was to estimate patient doses in conventional radiography and corresponding image quality in Zimbabwe, as part of an International Atomic energy Agency (IAEA) project (RAF/9/033). Three government hospitals and 5 private ce ... Full text Cite

Survey of image quality and patient dose in simple radiographic examinations in Madagascar: Initial results

Conference Ifmbe Proceedings · January 1, 2009 In the first ever survey of patient doses in Madagascar, image quality and patient doses were evaluated in 3 rooms of 2 hospitals in Madagascar as part of an International Atomic energy Agency (IAEA) project (RAF/9/033) using protocols and instructions by ... Full text Cite

Abdomen CT: Influence of patient size and technical factors on image noise and quality

Conference PROCEEDINGS OF THE 23RD INTERNATIONAL CONGRESS OF RADIOLOGY OF THE INTERNATIONAL SOCIETY OF RADIOLOGY · 2004 Link to item Cite

Radiation doses in cardiac angiographic procedures

Conference Annual International Conference of the IEEE Engineering in Medicine and Biology Proceedings · December 1, 2000 In view of paucity of information on radiation doses, an attempt was made to estimate the doses to patient and staff in angiographic procedure. The dose measurements were done using TLD-100 chips supplied by Harshaw Bicron and in some cases the dose area p ... Cite