Medical Experts Gather in Australia to Eye 3D Future of Post-Mortems
2005年11月7日 - 11:00PM
PRニュース・ワイアー (英語)
Virtual Autopsy Pioneers to Examine Breakthrough Techniques for
Non-Invasively Pinpointing Causes and Manners of Death SYDNEY, Nov.
7 /PRNewswire-FirstCall/ -- A broad range of experts from around
the world will convene here next week to examine powerful new 3D
technologies and techniques that may hold the key to conducting
autopsies without the financial cost and cultural impact of
traditional post-mortem examinations. New Advances in Post-Mortem
Radiology, a two-day conference hosted by the Royal Australian
College of Radiologists (RACR), will bring together radiologists,
pathologists, medical examiners, forensic scientists and legal
experts to learn how to accurately pinpoint causes and manners of
death without resorting to expensive, time-consuming autopsy
procedures that many cultures and religions find distressing. The
conference will feature papers and presentations on new
radiological and virtual autopsy-related topics by a group of
global luminaries in the field, including Dr. Michael J. Thali of
the Institute of Forensic Medicine in Bern, Switzerland, and
Commander Craig Mallak, U.S. Armed Forces Medical Examiner. The
conference program will include an interactive 3D demonstration
from Silicon Graphics, the only visualization solutions provider to
present at the symposium. Conference sessions will also examine the
legal implications of virtual post-mortem procedures in court cases
where the cause and manner of death are crucial to the outcome.
Attendees will also hear presentations from an array of religious
leaders about the post-mortem requirements and customs prescribed
by different religious and cultural beliefs, including Jewish,
Islamic, Buddhist, and indigenous Australian customs. Many of the
world's religions demand that the remains of deceased followers be
treated with respect. Such mandates can strictly prevent invasive
autopsy procedures except in rare circumstances. "All cultures have
funeral customs, and many find invasive post mortems offensive to
those customs and values," said Graham Segal, OAM, a barrister-
at-law and chairman of the radiology conference. "Yet most
recognize that there are times when this process is necessary. This
conference will explore technologies that help reconcile these
considerations by providing a non- invasive procedure that may be
of value in many cases." Virtual autopsy -- also called Virtopsy in
Switzerland -- uses Computer Tomography (CT) and Magnetic Resonance
Imaging (MRI) technologies to capture detailed X-rays and MRI
images of the deceased's body. Radiologists then create full 3D
visualizations of the deceased, which allow pathologists, coroners
and medical examiners to examine the condition of bones, tissues,
organs and blood vessels for clues to the cause and manner of
death. In some cases, virtual autopsy visualizations enable
pathologists to observe conditions that may be difficult or
impossible to detect by traditional means. The 3D visualizations
also streamline communication between forensic pathologists. And
unlike physical samples and specimens, the digital records produced
by virtual autopsies are permanent. The technology also offers
promise to many medical centers equipped with CT and MRI machines
but lacking forensic pathologists. Scans can then be sent to
pathologists who can conduct autopsies remotely. In addition, the
technology promises to ease the burden of determining identity and
cause of death in victims of large-scale hurricanes, earthquakes or
other natural disasters, particularly in cases where bodies are
badly decomposed. For Homeland Security and global anti-terrorist
organizations, the technology also can significantly ease forensic
and law enforcement efforts to quickly and accurately pinpoint the
chain of events after a bombing or other terrorist attack.
Investments in virtual autopsy solutions pay dividends not only to
pathologists, but to the legal community as well. The 3D images can
be easily transferred to courtrooms. Interactive visualizations are
often easier for juries to understand, and they can spare observers
from having to view the graphic -- some might say gruesome --
photographs that result from traditional autopsies. Virtual
post-mortems also provide attorneys and other court officers with a
clearer understanding of the autopsy process, which can be vital
when the manner of death must be established in a court case. There
are financial benefits, as well. Traditional autopsies cost an
average of $4,000 each, putting significant financial burdens on
grieving families or cash-strapped hospitals and municipalities.
Over time, as equipment costs are amortized, virtual autopsies
promise to cut the cost of autopsies. Beyond virtual: Programs
already underway The conference will spotlight programs that are
putting the new procedures to practical use today. Worldwide,
nearly 1,000 bodies have been scanned for post-mortem examinations.
Switzerland's Institute of Forensic Medicine, for instance, has
conducted virtual autopsies for more than five years. With more
than 100 post-mortems in its database, the institute is one of the
leading centers for advancing the science of virtual autopsy.
"While still evolving, these new procedures overcome many of the
limits of traditional post-mortem examinations," said Dr. Michael
J. Thali, the institute's Virtopsy program manager. "For example,
where typical autopsy reports involve subjective interpretations of
inconclusive data, virtual autopsies in many cases can produce
detailed records that show conclusively the cause or manner of
death. These records can be kept intact and free of human
intervention. In an era in which pathology procedures are
challenged in court, medical examiners can benefit from
incontrovertible evidence that backs up their findings." Virtual
autopsy procedures also help military medical examiners solve the
problem of determining exact cause of death for soldiers killed in
the line of duty and others who have died in the war on terror. At
the U.S. Armed Forces Institute of Pathology, the Virtual Autopsy
Program provides valuable information related to combat injuries
sustained by U.S. Armed Forces. The procedures deliver immediate
information to the Armed Forces Medical Examiner, with
Multidetector Computed Tomography (MDCT) data providing
pathologists with information on the size, orientation, and
location of fragments. The process gives the pathology team a
pre-autopsy view of the anatomy, while MDCT data enables
calculations of estimated kinetic energy sustained to the body and
detailed analysis of metal fragments. Some 800 bodies have been
scanned to date. "We also use virtual autopsy procedures to examine
the effects on the body of Improvised Explosion Devices,
high-temperature injuries, aircraft and vehicle mishaps, drownings,
and high-velocity gunshot wounds," said John M. Getz, Virtual
Autopsy Program Manager in the DoD Mortality Surveillance Division
of the Office of the Armed Forces Medical Examiner. Along with
Mallak, Getz will present information about the U.S. Armed Forces
Virtual Autopsy Program at the radiology conference. "The program
can also offer supplemental information to the Department of
Defense to aid in combat casualty care research and training, head
and body armor research, and detailed ballistic fragment analysis."
Bedrock technology for breakthrough procedures Also presenting at
the conference is Afshad Mistri, senior manager of advanced
visualization for SGI, whose computer solutions have enabled the
most detailed visualization of the human body ever seen. Earlier
this year, SGI(R) visualization systems enabled a team of
California experts to combine 60,000 exceptionally detailed 2D
scans of a 2,000-year-old child mummy into an interactive, 3D
visualization that allowed specialists in various fields to
determine the long-deceased child's age, sex, and probable cause of
death -- all without disturbing the mummy's wrappings or casing. A
sponsor of the Australian conference, SGI also has been
instrumental in revolutionizing crime scene investigation
techniques in Italy and provides computing and visualization
solutions built on a powerful shared-memory architecture. SGI
systems allow physicians, technicians and researchers to hold large
data sets entirely in memory, thus avoiding the costly and time-
consuming process of splitting visualization data into small chunks
to view one section at a time. And with SGI's Visual Area
Networking solutions, physicians, juries and others can remotely
view and interact with 3D autopsy data from virtually any location
- such as a coroner's office or a courtroom -- and using any
computing system. "The data explosion caused by next-generation
scanners in turn requires world-class visualization solutions to
create realistic, interactive 3D models capable of rendering a
deceased's anatomy in accurate detail," said Mistri. "SGI is proud
to collaborate with leaders in the field of post-mortem radiology
to bring this valuable practice to more professionals and regions
worldwide." SILICON GRAPHICS | The Source of Innovation and
Discovery(TM) SGI, also known as Silicon Graphics, Inc., is a
leader in high-performance computing, visualization and storage.
SGI's vision is to provide technology that enables the most
significant scientific and creative breakthroughs of the 21st
century. Whether it's sharing images to aid in brain surgery,
finding oil more efficiently, studying global climate, providing
technologies for homeland security and defense or enabling the
transition from analog to digital broadcasting, SGI is dedicated to
addressing the next class of challenges for scientific, engineering
and creative users. With offices worldwide, the company is
headquartered in Mountain View, Calif., and can be found on the Web
at http://www.sgi.com/. Royal Australian and New Zealand College of
Radiology The College is the leading professional organisation for
the promotion of the science and practice of the medical
specialties of Radiology and Medical Imaging (Diagnostic and
Interventional) and Radiation Oncology in Australia and New
Zealand. The College has members in Australia and New Zealand and
throughout the world. NOTE: Silicon Graphics, SGI, the SGI cube and
the SGI logo are registered trademarks, and The Source of
Innovation, and Discovery is a trademark of Silicon Graphics, Inc.,
in the United States and/or other countries worldwide. Virtopsy(R)
is a registered name of the research team in Bern/Switzerland
(http://www.virtopsy.com/). All other trademarks mentioned herein
are the property of their respective owners. MEDIA CONTACT Marla
Robinson 256.773.2371 SGI PR HOTLINE 650.933.7777 SGI PR FACSIMILE
650.933.0283 DATASOURCE: SGI CONTACT: Marla Robinson of SGI,
+1-256-773-2371, or , or SGI PR HOTLINE, +1-650-933-7777, or SGI PR
FACSIMILE, +1-650-933-0283 Web site: http://www.sgi.com/
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