Normal or chronically inflamed fallopian tube can undergo torsion and present as acute abdomen, simulating clinically as ectopic gestation. Torsion of the fallopian tube is less frequent but significant cause of lower abdominal pain in reproductive age women that is difficult to recognize preoperatively. Authors present a rare case of hematosalpinx with torsion at its pedicle with hemoperitonium who presented as 28 years old female with acute abdomen that was successfully treated. In cases presenting with hemoperitoneum diagnosis of ruptured ectopic pregnancy should be made unless proved otherwise during reproductive age. Rarely ruptured ovarian cyst may also be a cause. Unfortunately, hematosalpinx sometimes can undergo torsion due to circ...