role of ultrasound in prostate cancer dr giridhar...
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ROLE OF ULTRASOUND IN PROSTATE CANCER
Dr GiridharAssoc.Prof
Dept. of RadiodiagnosisMSRMC
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TransRectal UltraSound( TRUS )
is one of the most valuable tools in detection and management of
prostate cancer.
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TRUS
1.SCREENING2.CANCER DETECTION3.BIOPSY GUIDANCE4.STAGING5.THERAPY GUIDANCE6.MONITORING RESPONSE TO TREATMENT
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Sonographic appearances of Prostate cancer
Hypoechoic ( 50 % to 70 %)Isoechoic ( 25 % to 30 %)
Hyperechoic
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DOPPLER Doppler imaging has been evaluated for detection of
neovascularity associated with cancers, especially isoechoic
cancers.
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THERAPY
EBRTBRACHYTHERAPY
CRYOTHERAPY
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Attempting to improve the cure rate of a treatment will increase
the side effect rate, unless there is increased targeting via the
addition of resources, technology, or expertise.
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BRACHYTHERAPY
HDR ( Temporary)LDR ( Permanent )
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CRYOTHERAPY
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CRYOTHERAPY COMPARED
WITH RADIATION THERAPY
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RECENT ADVANCES
3 D TRUSContrast enhanced TRUS
HIFUSonoelastography
PET/Ultrasound Imaging
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3D TRUS
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Contrast enhanced TRUS
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HIFU
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This procedure utilizes transrectal ultrasound that is highly focused into a small area, creating intense heat of 80-100° C, which is lethal to prostate cancer tissue. Since ultrasound is non-ionizing (as opposed to ionizing in radiation), tissue in the entry and exit
path of the HIFU beam is not injured.
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SONOELASTOGRAPHY
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PET/ULTRASOUND IMAGING
TRUS provides anatomical detail in the prostate region that can be co-registered with the sensitive functional information from PET
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TRUS has become an extension of the urologist’s finger in early detection and to
guide biopsy. With further advances in technology TRUS will likely play a greater role in delivering therapies and reducing complications. The advanced stages of Prostate cancer might become a rare entity with judicious use of
imaging technologies.
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