[The Arias-Stella phenomenon and its diagnostic value in ectopic pregnancy. Studies of 86 cases with review of literature].

The role of the pathologist in the diagnostic of an ectopic pregnancy is mostly limited. Nevertheless, out of 59 tubaric pregnancies, in which endometrial curettage previous surgery, in 64.4% an ectopic pregnancy was predicted, on 30,5% there was a typical "Stella Arias" reaction, mean while on 33,9% there was a decidual-like reaction. The authors also make a revision on morphology and pathogenesis of "Stella Arias" reaction.