<prompt> The following statements are related to tubercular salpingitis except :The abdominal ostium may be patent with eversion of fimbriaeThe early lesion may be confused with adenocarcinoma on histologyGenital tuberculosis is always secondary and the tubes are invariably the primary sites SSalpingitis isthmica nodosa is the exclusive pathology to tuberculosis  <response>: Salpingitis isthmica nodosa It is related to tubercular infetion although it may be residue of any form of chronic interstitial salpingitis there is infiltration of tubal mucosa directly into the muscularis resembling adenomyosis It is one form of endometriosis of tube D.C.DUTTAS TEXTBOOK OF GYNAECOLOGY,Pg no:172,6th edition 