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A 10-Year Clinical Experience of Gestational Trophoblastic Disease at Rajavithi Hospital, 2001-2010.

Yanaranop, Marut; Potikul, Chalermrat; Tuipae, Suphet.
J Med Assoc Thai; 99 Suppl 2: S17-27, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-27266212

BACKGROUND:

Gestational trophoblastic disease (GTD) develops from abnormal cellular proliferation of trophoblasts following fertilization and is categorized as either an hydatidiform mole (HM) or a gestational trophoblastic neoplasia (GTN).

OBJECTIVE:

To analyze the clinical characteristics, incidence and treatment outcomes of GTD at Rajavithi Hospital.

MATERIAL AND METHOD:

Medical records of women diagnosed with GTD at Rajavithi Hospital from January 1, 2001 to December 31, 2010 were retrospectively reviewed. Disease diagnosis, treatment and follow-up data were analyzed.

RESULTS:

A total of 329 cases of GTD were reviewed. HM was diagnosed in 167 patients (incidence 2.32 per 1,000 deliveries); 26 patients were lost to follow-up; and 49 of the remaining 141 patients (34.8%) developed post-molar GTN. In multivariable analysis, uterus >16 week size and pre-treatment human chorionic gonadotropin (hCG) level >250,000 mIU/mL were the significant risk factors for developing post-molar GTN. Of 162 patients with GTN (incidence 2.25 per 1,000 deliveries), 15 patients were lost to follow-up, and 116 patients, 29 patients and 2 patients were classified as having low-risk GTN, high-risk GTN and placental site trophoblastic disease respectively. The overall survival rate in the low-risk group was 100% whereas in the high-risk group it was 86.2%. A modified WHO prognostic score of more than five was the significant risk factor for developing resistant GTN.

CONCLUSION:

GTD treatment at Rajavithi Hospital showed excellent clinical outcomes. Uterus >16 weeks size and pre- treatment hCG > 250,000 mIU/mL were the significant risk factors for developing post-molar GTN in HM patients. Classifying GTN patients into low- and high-risk groups was useful in planning treatment and counseling.
Selo DaSilva