“…Despite its rarity, non-specific symptoms, and laboratory data, uterine torsion was diagnosed in 7 of the 18 (38.9%) cases based on the "whirl sign" of the uterine cervix preoperatively. 2,5,7,8,13,21,23 In our case, the "whirl sign" of the uterine cervix was observed on preoperative MRI. However, we could not diagnose uterine torsion at that time as we had never encountered a patient with this condition; thus, uterine torsion was not considered in the differential diagnosis.…”