Placental Site Trophoblastic Tumor: A Distinct Entity of Gestational Trophoblastic Disease Experience from a Tertiary Referral Center in Hong Kong.

Patients with Stage I disease have excellent prognosis after hysterectomy, and adjuvant treatment is not recommended. A low pretreatment serum hCG level (<1,000 IU/L) was a good predictor of early stage disease. The prognosis for patients with metastatic disease was poor despite surgery and com- bination chemotherapy.