Objective: To compare 3-dimensional saline infusion sonohysterography (3DSIS) with 2-dimensional sonohysterography (2DSIS) using hysteroscopy and histologic diagnosis as the gold standard.
Method: A retrospective analysis of all SIS examination performed between July 1, 2005 and April 30, 2007 in our gynecological sonographic unit. 2DSIS or 3DSIS sonographic techniques were used randomly.