Torsion of fallopian tube in a 13-year-old unmarried girl.

A 13-year-old unmarried female presented with severe colicky lower abdominal pain, radiating to left side, not associated with fever. Ultrasound examination showed a dilated left fallopian tube with minimal free fluid in pelvis, and diagnosis of pelvic inflammatory disease was suggested. MRI of the pelvis showed a complex intensity mass in left adnexa, suggesting a germ cell tumour. Patient underwent diagnostic laparoscopy and laparoscopic removal of left fallopian tube. Histopathology finally established the diagnosis of left fallopian tube torsion.