Torsion of a fallopian tube is in itself a rare occurrence and is seldom diagnosed preoperatively. Its occurrence in a situation where previous surgery, concomitant pregnancy, or some other type of preexisting pathologic change is not a factor comprises a still smaller subgroup and is the type of situation under consideration in this report.
Articles pertaining to this subject which were available for review give a fairly comprehensive background with which to compare our report. Sandler,1 in his review of the literature, notes that Bland and Sutton in 1890 first reported this entity in this country. Out of 14 cases cited by Sandier, only 1 case occurred in a previously normal tube as an isolated structure, in 1 other, the tube and ovary twisted en masse, and in 2 cases the normal tubes that twisted did so during or immediately after intrauterine pregnancy. In the rest, benign and malignant