Poster électronique

3-D sonography of extracapsular extension of prostatic cancer
R. Bard - New York - Etats-Unis
Congrès 2011
Résumé
Objectifs
To compare the value of 3D power doppler sonography (3D-PDS) with DCE-MRI without endorectal coil in evaluation of extracapsular extension of prostatic cancer.
Matériels et méthodes
139 patients with prostate cancer were prospectively scanned with a GE Volusion E-8 unit employing endorectal 12-18 MHZ probe and 1.5 Tesla GE MRI unit. 79 patients had gleason 3+3, 36 had gleason 3+4, 20 had gleason 4+4 and 4 had gleason 4+5. Capsular affacement was assessed on sonography by loss of margin echoes and/or extension of abnormal vessels through the capsule.
Résultats
Gleason grade 3 : 79/79 patients had intact capsules on 3D-PDS and DCE-MRI; 3D-PDS showed capsular bulging in 9 : MRI showed bulging in 1. Gleason grade 4 : 9/56 patients had capsular penetration on 3D-PDS and 9 on MRI. 3D-PDS showed focal capsular bulging in 3/56, MRI showed bulging in 1/56. Gleason grade 5 : 4/4 patients had capsular penetration with 3D-PDS and MRI. No focal bulging noted.
Conclusion
3D power doppler imaging appears more sensitive than non EC-MRI in evaluation of prostatic capsular tumor posterior bulging while both are equal in assessing anterolateral extracapsular extension.
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2011-10-25 11.06 :
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excellente presentation claire simple interessante assez pratique synthese ++++
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Le poster a été trop consulté dans un laps de temps très court.
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