Abstract #0269
MR-guided focal laser ablation for prostate cancer followed by radical prostatectomy: Validation of ablation volume
Joyce GR Bomers 1 , Erik B Cornel 2 , Christiaan O Overduin 1 , Sjoerd FM Jenniskens 1 , Christina A Hulsbergen - van de Kaa 3 , Fred Witjes 4 , and Jurgen J Ftterer 1
1
Radiology, Radboud University Medical
Center, Nijmegen, Gelderland, Netherlands,
2
Urology,
Ziekenhuisgroep Twente, Hengelo, Overijssel,
Netherlands,
3
Pathology, Radboud University
Medical Center, Nijmegen, Gelderland, Netherlands,
4
Urology,
Radboud University Medical Center, Nijmegen, Gelderland,
Netherlands
Three patients with local prostate cancer underwent MR-guided
focal laser ablation followed after three weeks by
radical prostatectomy. Laser software, MR images and
histopathologic specimens were used to assess the
expected and actual size of the ablated region. The
damage estimation maps of the laser software evidently
overestimated the final ablation zone as seen in the
histopathologic prostate images. The non enhancing area
on the T1-weighted MR image gave a better indication of
the final ablation zone.
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