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Fig. 4 | BMC Urology

Fig. 4

From: A pilot study in intraparenchymal therapy delivery in the prostate: a comparison of delivery with a porous needle vs standard needle

Fig. 4

Top (a) demonstrates T1 Gadolinium injection image with porous needle on left showing distribution of contrast along ductal or directional pathways in the prostate leading to infusate loss to the outside as well as into the urethra (lower mid image). Right image demonstrates Gadolinium concentration map with contrast concentration along ductal or directional pathways in the prostate with less high (red) concentration in center of infusate due to loss to urethra and subcapsular. Bottom (b) demonstrates T1 Gadolinium injection image with porous needle showing greater distribution on left and greater concentration (note red in center imageL) on the right with less ductal or directional preferred outflow loss of contrast.

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