Stereometry of the prostate using MRI-A comparison between TRUS, CT, and MRI-

Chikara Noda, Toshiyuki Takahashi, Keigo Okabe, Hajime Saito, Kyoichi Kato, Yasuo Nakazawa

Research output: Contribution to journalArticlepeer-review


I-125 permanently implanted sealed-source radiotherapy is one of the treatments for early localized prostate carcinoma. In order to choose treatment parameters such as the number of implanted sources, accurately determining the volume of the prostate is vital for this type of therapy. We compared the usefulness of transrectal ultrasound (TRUS), computed tomography (CT), and magnetic resonance imaging (MRI) for preoperative stereometry of the prostate, and we further reviewed the utility of the MRI measurement. We performed prostate stereometry with TRUS, CT, and MRI in each of 45 patients who had provided informed consent. Taking TRUS stereometry as the standard, we computed the correlation of the MRI results with TRUS, and that of the CT results with TRUS, and found that MRI had a higher correlation.

Original languageEnglish (US)
Pages (from-to)1369-1374
Number of pages6
JournalNippon Hoshasen Gijutsu Gakkai zasshi
Issue number11
StatePublished - Nov 20 2008
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)


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