Sus-pubic route real time echographic, has allowed to determinate pros
tatic dimensions (antero-posterior, diameter, APD;mean transversal dia
meter: MID, cranio candal length CCL) volume and weight in the Black A
frican on 300 subjects. The mean values of these parameter do not diff
er from European an American values. They increase progressively with
age. They are higher in subjects presenting with history of affection
of the urinary tract (especially gonococcus urethritis).