Fig. 1From: Comparisons of cancer detection rate and complications between transrectal and transperineal prostate biopsy approaches - a single center preliminary studyTransrectal prostate biopsy mapping. A total of 10 pieces of biopsy tissue including 2 pieces focusing on transitional zone were taken. Large prostate or significant prostate lesion under transrectal ultrasound may need additional pieces by clinical judgement. TZ: transitional zone. PZ: peripheral zoneBack to article page