Atypical recurrence of a placental site trophoblastic tumor four years after hysterectomy for benign condition: Case report and review of literature.

•Rare case of PSTT limited to the vagina presenting eight years after last pregnancy and four years after hysterectomy•Differential diagnosis with other vaginal tumors can be challenging but it is critical because behavior and management are different.•Stage-adapted management is proposed and surgery is the mainstay treatment for localized disease.