Background: Isolated Fallopian-tube torsion is a rare event, with a reported incidence of 1:1500000. This is a single center report of 4 cases of isolated Fallopian tube torsion presenting at our single center from 2010 to 2012. Cases: All 4 cases were women presenting with right- sided lower abdominal pain. Three of the women were in their early 20s, whereas 1 woman was in her early 50s. Results: Ultrasound scan findings were nonspecific and variable, for example, ovarian cyst with echogenic focus, or normal adnexa with free fluid in the pouch of Douglas. One of the cases was a suspected heterotopic pregnancy. Laparoscopy in all these cases revealed isolated Fallopian-tube torsion. In 3 cases, salpingectomy was performed. In 1 case, tube-conserving surgery was performed to untangle the tube. All of the women recovered well after surgery. Conclusions: The incidence appears to be higher than as reported. The cause of Fallopian-tube torsion is unknown. It can be associated with an ovarian or paraovarian cyst, hydrosalpinx, pregnancy, adhesions, or pelvic congestion. Laparoscopy is the gold standard for treatment, as early diagnosis can spare the Fallopian tube and spare future fertility. (J GYNECOL SURG 30:184)
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