Ultrasonically guided transperineal seed implantation of the prostate: modification of the technique and qualitative assessment of implants.

van't Riet, A; te Loo, H J; Ypma, A F; Mak, A C; van Slooten, F H; Hoekstra, C J; Stenfert Kroese, M C · Int J Radiat Oncol Biol Phys · 1992

case_series · Level IV

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Abstract

During the period 1988-1991, 23 patients with prostatic carcinoma were treated by transperineal iodine seed implantation guided by transrectal ultrasound. We introduce a refinement of the implantation technique using a rigid column of seeds and spacers. The uniformity parameter based on the peak width of the natural volume-dose histogram demonstrated quantitatively that this refinement resulted in a more accurate seed arrangement.

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