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CALYPSO® TRACKING SYSTEM

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Page 1: CALYPSO® TRACKING SYSTEM - …theharleystreetclinic.com/wp-content/uploads/2016/07/Calypso... · USING CALYPSO® To aid in localising the prostate the Calypso system uses tiny Beacon®

C A LY P S O ® T R A C K I N G S Y S T E M

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A P P ROX I M AT E LY 1 I N 7 M E N W I L L B E D I A G N O S E D W I T H P RO S TAT E C A N C E R D U R I N G T H E I R L I F E T I M E .

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Over 1 million men are diagnosed with prostate cancer across the world every year making it the second most common cancer in men1.

Radiotherapy is most often the treatment of choice2, however due to the sensitivity and proximity of healthy structures that lie so closely to the prostate there are limits to the doses that can be delivered.

The prostate gland itself moves within the body making it hard to localise and target throughout radiation treatment delivery using the imaging methods currently available.

References

1. Ferlay J, Soerjomataram I, Ervik M, Dikshit R, Eser S, Mathers C, Rebelo M, Parkin DM, Forman D, Bray, F. GLOBOCAN 2012 v1.1, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 11 [Internet]. Lyon, France: International Agency for Research on Cancer; 2014. Available from http://globocan.iarc.fr

2 Foroudi F, Tyldesley S, Barbera L, et al. Evidence-based estimate of appropriate radiotherapy utilization rate for prostate cancer. Int J Radiat

Oncol Biol Phys 2003;55:51– 63.

C A LY P S O ® T R A C K I N G S Y S T E M

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U S I N G C A LY P S O ®

To aid in localising the prostate the Calypso system uses tiny Beacon® transponders that are easily inserted in the prostate gland during a quick outpatient procedure.

These transponders are wireless devices the size of a large grain of rice.

Once the transponders are in place the system is able to track the safe radiofrequency signals the transponders emit allowing it to identify the location of the prostate with submillimetre accuracy.

The system will continue to track the prostate location throughout treatment delivery detecting any motion. This information is fed back to the treatment machine and the radiographers operating it who will react accordingly making any corrections needed.

If the prostate moves out of the set treatment parameters the Calypso system will sound an alarm and radiotherapy treatment is stopped. The radiation beam will only be activated again when the prostate returns to the correct position.

This means the target (prostate) is in the path of the radiation beam at all times thus reducing radiation dose to healthy tissue.

B E A C O N ® T R A N S P O N D E R

7.5mmActual size

Transponder

Bladder

Prostate gland

3 B E A C O N ® T R A N S P O N D E R S P O S I T I O N E D I N T H E P RO S TAT E

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B E N E F I T S O F C A LY P S O ®

Using the Calypso system enables us to explore using a smaller margin around the prostate because we don’t have to account for movement when planning radiotherapy treatment.

This enables us to consider applying higher radiation doses to the prostate specifically as a much smaller area of healthy tissue will be exposed to the high dose region. This can help reduce potential side effects and may improve the quality of life for patients.

The Calypso system provides continuous data about the prostate motion and location, ensuring that the prescribed dose of radiation is delivered only to the prostate.

Another benefit of the system, a patient no longer needs to be X-ray imaged daily to locate the prostate before treatment delivery.

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“ I A M B L I N D E D B Y T H E S C I E N C E A N D T H I N K T H E T E C H N O L O G Y B E H I N D T H E C A LY P S O S Y S T E M I S B R I L L I A N T.”

“ T H I S S I M P L E P RO C E D U R E TO I N S E RT T H E M A R K E R S I N T H E P RO S TAT E WA S E A S Y A N D W E N T W I T H O U T C O M P L I C AT I O N , I WA S I N A N D O U T T H E S A M E D AY. I K N OW H AV I N G D O N E M Y OW N R E S E A RC H T H AT I A M R E C E I V I N G T H E B E S T AVA I L A B L E T R E AT M E N T, I C O N S I D E R T H I S T E C H N O L O G Y TO B E A C R I T I C A L C O M P O N E N T O F M Y T R E AT M E N T S U C C E S S .”

David

Anthony

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The Harley Street Clinic35 Weymouth StreetLondon W1G 8BJ020 7935 7700www.theharleystreetclinic.com

O X F O R D S T R E E TO X F O R D S T

W I G M O R E S T R E E T

B L A N D F O R D S T

C A V E N D I S H P L

C A V E N D I S H

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THE HARLEYSTREET CLINIC

DIAGNOSTIC CENTRE

THE HARLEYSTREET CLINIC

For further information regarding this technique please use the contact details below. Treatment can be accessed through private medical insurance or patients can self-pay.

Website address: theharleystreetclinic.com/cancer/radiotherapy

Email enquiry: [email protected]

Telephone enquiry: +44 (0) 20 7935 7700