A rare presentation of a patient with placental site trophoblastic tumor

Document Type : Case report

Authors

1 Associate professor, Department of Obstetrics and Gynecology, Women's Health, Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

2 Resident, Department of Obstetrics and Gynecology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

3 Resident fellowship of Gynecology Oncology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

4 Resident, Department of General Surgery, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

Abstract

Introduction: Placental site trophoblastic tumor (PSTT) is a subgroup of gestational trophoblastic tumor and its incidence is very rare and 1 in 10000. The origin of this tumor is placental site and its symptoms are vaginal bleeding, metastatic symptoms, and …. Here, a rare presentation of PSTT is reported.
Case Report: A 24-years old woman, P1L1 with history of vaginal delivery one year ago and abnormal vaginal bleeding from 6 months ago had referred. Pelvic sonography reported a fibroma sized 29×45 mm as a myoma in the uterus. Due to abnormal vaginal bleeding which was refractory to medical therapy, myomectomy was done. The pathologic diagnosis was leiomyosarcoma. Then, the patient was referred to Ghaem Hospital Tumor Clinic. The diagnosis of the second pathology review of the same specimen was placental site trophoblastic tumor. Serum hCG level was 119 milliunit in milliliter. The patient had no desire to preserve fertility, so hysterectomy was done. One week after surgery, hCG level was normal and now after 8 months, the patient is disease free.
Conclusion: Placental site trophoblastic tumor is a rare tumor which should be suspected in a patient who presents with term pregnancy and abnormal vaginal bleeding and a myoma in sonography.

Keywords


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