this invention is to enable exact localization and display of the part being examined in graphic form . when doing an endoscopic examination the exact location of the treatment or examining element can be determined in relation to anatomical landmarks . this is particularly useful in one of the urodynamic tests called urethral pressure profile . the pressure being measured along the urethra can be correlated exactly with visible anatomical landmarks . visible landmarks is stressed because during surgery the operating surgeon relies on visible landmarks to decide how much tissue needs to be removed . the results can be displayed , analyzed , interpreted , stored and printed . the same can be done with any other organ .