SPECT Scan - the Technology is Advancing

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Business Wire

November 29, 1999

Adac Laboratories Announces a Breakthrough in Nuclear Medicine Technology

SKYLIGHT, the First Gantry-Free Nuclear Medicine System, Offers

Capabilities to Expand Nuclear Medicine Beyond Current Applications.

ADAC Laboratories (Nasdaq:ADAC) today introduced the SKYLIGHT, the first

gantry-free nuclear medicine gamma camera. This breakthrough system provides

unprecedented openness and flexibility of applications. The SKYLIGHT system,

currently a work in progress, is based on a unique architecture that allows

gamma detectors to be mounted directly into a room structure, thus removing

limitations associated with the floor-based mechanical gantries of existing

nuclear medicine gamma cameras.

" SKYLIGHT is the result of several years of research by our R & D group and we

believe the significance of this innovation will be similar to other

landmark developments in Nuclear Medicine such as the Vertex variable

angle cameras and Molecular Coincidence Detection (MCD), " stated

Burbach, ADAC Medical Systems president. " It provides a level of openness

and patient access not currently possible and also provides a wide arena of

potential additional applications for nuclear medicine, " Burbach said.

With its unique architecture, SKYLIGHT provides FreeDimensional imaging

which allows the detectors to move in any direction together or

independently. This is a significant benefit because the system moves to

accommodate the patient position rather than having the patient positioned

to fit the camera. This provides improvements in productivity as well as

allowing new nuclear procedures such as total body venograms, dual detector

total body spots, full brain SPECT and standing total body imaging. Its

openness and flexibility also makes the system ideal for challenging patient

situations such as pediatrics, claustrophobic patients and

lymphoscintigraphy.

SKYLIGHT also opens a number of potential expansions in the field of nuclear

medicine. This includes the combination of nuclear medicine with other

diagnostic imaging modalities such as Computed Tomography (CT) or

Ultrasound, and the use of nuclear imaging in surgical and interventional

applications.

" For many years, ADAC has proven its leadership in nuclear medicine. From

the first digital detectors to MCD to the Forte in 1998 and now

Skylight, it has had a consistent track record of innovation, " said

Professor Hussein Abdel-Dayem, chief of nuclear medicine at St s

Hospital in New York. " The importance of this unique concept is that it has

clear advantages in nuclear medicine per se and is also a gateway for new

applications in diagnostic imaging, " Dr. Abdel-Dayem added.

ADAC Laboratories is the world market-share leader in nuclear medicine and

radiation therapy planning systems and a technology leader in providing

clinical workflow solutions, management information and knowledge systems to

healthcare organizations in North America. ADAC is headquartered in

Milpitas, CA with its HealthCare Information Systems Division in Houston,

TX. Additional information about ADAC can be found on its web site at

www.adaclabs.com.

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CONTACT: Adac Laboratories

Bruce Blanco, 408/468-3799

bblanco@...

Pager: 800-223-7482