Hierarchical decision tree for the classification of prostate tissue

Is Transrectal Ultrasonography Needed to Rule Out Prostatic Cancer with Normal Findings at Digital Rectal Examination and Normal Serum Prostate-Specific Antigen?

“…During a study for the automated analysis of ultrasono graphic prostate images for the early detection of carcino ma, Giesen [1] and Huynen et al [2] found comparable results for standard ultrasound. However, they showed that by using image analysis, the predictive value of ultra sound can be increased.…”

“…The introduction of transrectal ultrasonography (TRUS) has not only expanded the range of diagnostic means avail able, but also the effectiveness of preoperative examina tion. Chodak [1] and Lee [2] demonstrated that the cancer detection rate using TRUS was twice as high as with dig ital rectal examination (DRE) alone.…”